%\cite{Bolotov:1986if}
\bibitem{Bolotov:1986if}
  V.~N.~Bolotov, S.~N.~Gninenko, R.~M.~Dzhilkibaev, V.~V.~Isakov, Y.~.M.~Klubakov, V.~D.~Laptev, V.~M.~Lobashev and V.~N.~Marin {\it et al.},
  %``Observation Of The Decay K- ---> Pi- Pi0 Pi0 Gamma,''
  JETP Lett.\  {\bf 42} (1985) 481
   [Pisma Zh.\ Eksp.\ Teor.\ Fiz.\  {\bf 42} (1985) 390].
  %%CITATION = JTPLA,42,481;%%
  %3 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:1986ga}
\bibitem{Bolotov:1986ga}
  V.~N.~Bolotov, S.~N.~Gninenko, R.~M.~Dzhilkibaev, V.~V.~Isakov, Y.~.M.~Klubakov, V.~D.~Laptev, V.~M.~Lobashev and V.~N.~Marin {\it et al.},
  %``Experimental Limitation On The Probability For The Decay Pi0 ---> 4 Gamma,''
  JETP Lett.\  {\bf 43} (1986) 520
   [Pisma Zh.\ Eksp.\ Teor.\ Fiz.\  {\bf 43} (1986) 405].
  %%CITATION = JTPLA,43,520;%%
  %1 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:1986vn}
\bibitem{Bolotov:1986vn}
  V.~N.~Bolotov, S.~N.~Gninenko, R.~M.~Dzhilkibaev, V.~V.~Isakov, Y.~.M.~Klubakov, V.~D.~Laptev, V.~M.~Lobashev and V.~N.~Marin {\it et al.},
  %``Study Of The Decay K- ---> Pi- Pi0 Pi0. (in Russian),''
  Sov.\ J.\ Nucl.\ Phys.\  {\bf 44} (1986) 73
   [Yad.\ Fiz.\  {\bf 44} (1986) 117].
  %%CITATION = SJNCA,44,73;%%
  %17 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Dzhilkibaev:1986je}
\bibitem{Dzhilkibaev:1986je}
  R.~M.~Dzhilkibaev, V.~N.~Bolotov, S.~N.~Gninenko, V.~V.~Isakov, Y.~.M.~Klubakov, V.~D.~Laptev, V.~M.~Lobashev and V.~N.~Marin {\it et al.},
  %``Investigation Of Rare Decays Of Charged Mesons,''
  IN *BERKELEY 1986, PROCEEDINGS, HIGH ENERGY PHYSICS, VOL. 2* 887-889.

%\cite{Bolotov:1986zz}
\bibitem{Bolotov:1986zz}
  V.~N.~Bolotov, S.~N.~Gninenko, R.~M.~Dzhilkibaev and V.~V.~Isakov,
  %``Experimental investigation of the rare K- decay modes K- ---> pi0 gamma e- anti-nu and K- ---> pi0 pi0 e- anti-nu,''
  Sov.\ J.\ Nucl.\ Phys.\  {\bf 44} (1986) 68.
  %%CITATION = SJNCA,44,68;%%
  %16 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:1987rd}
\bibitem{Bolotov:1987rd}
  V.~N.~Bolotov, S.~N.~Gninenko, R.~M.~Dzhilkibaev, V.~V.~Isakov, Y.~.M.~Klubakov, V.~D.~Laptev, V.~M.~Lobashev and V.~N.~Marin {\it et al.},
  %``EXPERIMENTAL STUDY OF STRUCTURE RADIATION IN K- ---> PI- PI0 GAMMA DECAY. (IN RUSSIAN),''
  Yad.\ Fiz.\  {\bf 45} (1987) 1652.
  %%CITATION = YAFIA,45,1652;%%
  %8 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:1988ac}
\bibitem{Bolotov:1988ac}
  V.~N.~Bolotov, S.~N.~Gninenko, R.~M.~Dzhilkibaev, V.~V.~Isakov, Y.~.M.~Klubakov, V.~D.~Laptev, V.~M.~Lobashev and V.~N.~Marin {\it et al.},
  %``Measurement Of The Form-factor For The Decay K- ---> Pi0 E- Anti-neutrino,''
  JETP Lett.\  {\bf 47} (1988) 7
   [Pisma Zh.\ Eksp.\ Teor.\ Fiz.\  {\bf 47} (1988) 8].
  %%CITATION = JTPLA,47,7;%%
  %1 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:1989bx}
\bibitem{Bolotov:1989bx}
  V.~N.~Bolotov, S.~N.~Gninenko, R.~M.~Dzhilkibaev, V.~V.~Isakov, Y.~.M.~Klubakov, V.~D.~Laptev, V.~M.~Lobashev and V.~N.~Marin {\it et al.},
  %``The experimental study of the pi- ---> e- anti-nu gamma decay in flight,''
  Nucl.\ Phys.\ Proc.\ Suppl.\  {\bf 16} (1990) 459.
  %%CITATION = NUPHZ,16,459;%%
  %2 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:1990yq}
\bibitem{Bolotov:1990yq}
  V.~N.~Bolotov, S.~N.~Gninenko, R.~M.~Dzhilkibaev, V.~V.~Isakov, Y.~.M.~Klubakov, V.~D.~Laptev, V.~M.~Lobashev and V.~N.~Marin {\it et al.},
  %``The Experimental study of the pi- ---> e- anti-neutrino gamma decay in flight,''
  Phys.\ Lett.\ B {\bf 243} (1990) 308.
  %%CITATION = PHLTA,B243,308;%%
  %77 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:1990ea}
\bibitem{Bolotov:1990ea}
  V.~N.~Bolotov, S.~N.~Gninenko, V.~V.~Isakov, V.~N.~Marin, A.~A.~Poblaguev and V.~E.~Postoev,
  %``On the structure dependent radiation in the pi ---> e neutrino gamma decay,''
  Conf.\ Proc.\ C {\bf 900802V2}.
  %%CITATION = CONFP,C900802V2,;%%

%\cite{Bolotov:1990nw}
\bibitem{Bolotov:1990nw}
  V.~N.~Bolotov, S.~N.~Gninenko, R.~M.~Dzhilkibaev, V.~V.~Isakov, Y.~.M.~Klubakov, V.~D.~Laptev, V.~M.~Lobashev and V.~N.~Marin {\it et al.},
  %``Experimental study of pi- --> e- anti-nu gamma decay,''
  Sov.\ J.\ Nucl.\ Phys.\  {\bf 51} (1990) 455
   [Yad.\ Fiz.\  {\bf 51} (1990) 717].
  %%CITATION = SJNCA,51,455;%%
  %16 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:1993fh}
\bibitem{Bolotov:1993fh}
  V.~Bolotov [Moscow,INR-IFVE-Serpukhov-Dubna,JINR-CERN Collaboration],
  %``Experimental study of the pi ---> e neutrino gamma decay in flight with high intensity 100-GeV/c beam: Letter of intent,''
  CERN-SPSLC-93-20.
  %%CITATION = CERN-SPSLC-93-20;%%

%\cite{Antipov:1993cy}
\bibitem{Antipov:1993cy}
  Y.~.M.~Antipov, V.~I.~Garkusha, V.~N.~Zapolsky, V.~P.~Kartashev, V.~I.~Kryshkin, L.~G.~Landsberg, F.~N.~Novoskoltsev and V.~N.~Bolotov {\it et al.},
  %``Program of the study of rare decays of charged kaons and pions at high-energy beams,''
  %%CITATION = INSPIRE-369875;%%


%\cite{Artemov:1994fp}
\bibitem{Artemov:1994fp}
  V.~M.~Artemov, V.~N.~Bolotov, A.~D.~Volkov, E.~N.~Gushchin, G.~A.~Emelyanenko, B.~Z.~.Zalikhanov, A.~Z.~.Ketikian and E.~V.~Komissarov {\it et al.},
  %``Calibration of the spectrometric magnet of the ISTRA-M setup on the physical process,''
  JINR-P10-94-521.
  %%CITATION = JINR-P10-94-521;%%

%\cite{Bolotov:1995gk}
\bibitem{Bolotov:1995gk}
  V.~N.~Bolotov, E.~N.~Gushchin, V.~S.~Klimenko, V.~F.~Konstantinov, S.~V.~Laptev, V.~N.~Marin, I.~N.~Semenyuk and A.~V.~Veselovsky {\it et al.},
  %``Definition of formfactor parameters lambda+ and lambda0 for K(mu 3) decays,''
  In *Brussels 1995, High energy physics* 183-184

%\cite{Artemov:1995wv}
\bibitem{Artemov:1995wv}
  V.~M.~Artemov, A.~D.~Volkov, G.~A.~Emelyanenko, B.~Z.~.Zalikhanov, E.~V.~Komissarov, V.~S.~Kurbatov, V.~Z.~Serdyuk and V.~V.~Sidorkin {\it et al.},
  %``Determination of form-factors parameters lambda+ lambda0 in K(mu3) decay,''
  Phys.\ Atom.\ Nucl.\  {\bf 60} (1997) 218
   [Yad.\ Fiz.\  {\bf 60N2} (1997) 277].
  %%CITATION = PANUE,60,218;%%
  %2 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Artemov:1995gr}
\bibitem{Artemov:1995gr}
  V.~M.~Artemov, V.~N.~Bolotov, S.~A.~Volkov, A.~V.~Voskanian, G.~A.~Emelyanenko, B.~Z.~.Zalikhanov, A.~Z.~.Ketikian and E.~V.~Komissarov {\it et al.},
  %``pi, e, mu identification on the ISTRA-M setup,''
  JINR-P1-95-346.
  %%CITATION = JINR-P1-95-346;%%

%\cite{Bolotov:1995ey}
\bibitem{Bolotov:1995ey}
  V.~N.~Bolotov, A.~V.~Veselovsky, S.~A.~Volkov, S.~N.~Gninenko, E.~N.~Gushchin, V.~V.~Isakov, O.~V.~Karavichev and V.~S.~Klimenko {\it et al.},
  %``Experimental setup ISTRA-M to study rare decays of charged light mesons,''
  IFVE-95-111.
  %%CITATION = IFVE-95-111;%%
  %1 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Artemov:1996iz}
\bibitem{Artemov:1996iz}
  V.~M.~Artemov, A.~D.~Volkov, G.~A.~Emelyanenko, B.~Z.~.Zalikhanov, E.~V.~Komissarov, V.~S.~Kurbatov, V.~Z.~Serdyuk and V.~V.~Sidorkin {\it et al.},
  %``Determination of form-factor parameters lambda+ and lambda0 in K(mu3) and K(e3) decays,''
  %Submitted to: Yad. Fiz..

%\cite{Artemov:1997pn}
\bibitem{Artemov:1997pn}
  V.~M.~Artemov, A.~D.~Volkov, G.~A.~Emelyanenko, B.~Z.~.Zalikhanov, E.~V.~Komissarov, V.~S.~Kurbatov, V.~Z.~Serdyuk and V.~V.~Sidorkin {\it et al.},
  %``Determination of form-factor parameters in the decays K- --> mu- nu pi0 and K- --> e- nu pi0,''
  Phys.\ Atom.\ Nucl.\  {\bf 60} (1997) 2023
   [Yad.\ Fiz.\  {\bf 60} (1997) 2205].
  %%CITATION = PANUE,60,2023;%%
  %2 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:2001fs}
\bibitem{Bolotov:2001fs}
  V.~N.~Bolotov,
  %``Pion and kaon rare decays,''
  %%CITATION = INSPIRE-570774;%%

%\cite{Ajinenko:2001iz}
\bibitem{Ajinenko:2001iz}
  I.~V.~Ajinenko, S.~A.~Akimenko, G.~A.~Akopdzhanov, K.~S.~Belous, I.~G.~Britvich, G.~I.~Britvich, A.~P.~Filin and V.~N.~Govorun {\it et al.},
  %``Study of the K- ---> pi0 e- nu decay,''
  Phys.\ Atom.\ Nucl.\  {\bf 65} (2002) 2064
   [Yad.\ Fiz.\  {\bf 65} (2002) 2125]
  [hep-ex/0112023].
  %%CITATION = HEP-EX/0112023;%%
  %18 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Ajinenko:2002ec}
\bibitem{Ajinenko:2002ec}
  I.~V.~Ajinenko, S.~A.~Akimenko, G.~I.~Britvich, I.~G.~Britvich, K.~V.~Datsko, A.~P.~Filin, A.~V.~Inyakin and A.~S.~Konstantinov {\it et al.},
  %``Study of the K- ---> mu- nu pi0 decay,''
  Phys.\ Atom.\ Nucl.\  {\bf 66} (2003) 105
   [Yad.\ Fiz.\  {\bf 66} (2003) 107]
  [hep-ph/0202061].
  %%CITATION = HEP-PH/0202061;%%
  %19 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Ajinenko:2002mg}
\bibitem{Ajinenko:2002mg}
  I.~V.~Ajinenko, S.~A.~Akimenko, G.~I.~Britvich, K.~V.~Datsko, A.~P.~Filin, A.~V.~Inyakin, A.~S.~Konstantinov and V.~F.~Konstantinov {\it et al.},
  %``Measurement of the Dalitz plot slope parameters for K- ---> pi0 pi0 pi- decay using ISTRA+ detector,''
  Phys.\ Lett.\ B {\bf 567} (2003) 159
  [hep-ex/0205027].
  %%CITATION = HEP-EX/0205027;%%
  %25 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:2002te}
\bibitem{Bolotov:2002te}
  V.~N.~Bolotov,
  %``Study of the K- --> e- nu pi0, K- --> mu- nu pi0 and K- --> pi- pi0 pi0 decays at 'ISTRA' set-up,''
  %%CITATION = INSPIRE-608778;%%

%\cite{Ajinenko:2002mj}
\bibitem{Ajinenko:2002mj}
  I.~V.~Ajinenko, S.~A.~Akimenko, I.~G.~Britvich, G.~I.~Britvich, K.~V.~Datsko, A.~P.~Filin, A.~V.~Inyakin and A.~S.~Konstantinov {\it et al.},
  %``First results on a search for light pseudoscalar sgoldstino in K- decays,''
  %Submitted to: Yad.Fiz.
  [hep-ex/0212060].
  %%CITATION = HEP-EX/0212060;%%
  %1 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Tchikilev:2003ai}
\bibitem{Tchikilev:2003ai}
  O.~G.~Tchikilev, I.~V.~Ajinenko, S.~A.~Akimenko, I.~G.~Britvich, G.~I.~Britvich, K.~V.~Datsko, A.~P.~Filin and A.~V.~Inyakin {\it et al.},
  %``Search for light pseudoscalar sgoldstino in K- decays,''
  Phys.\ Lett.\ B {\bf 602} (2004) 149
  [hep-ex/0308061].
  %%CITATION = HEP-EX/0308061;%%
  %3 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Ajinenko:2003uz}
\bibitem{Ajinenko:2003uz}
  I.~V.~Ajinenko, S.~A.~Akimenko, K.~S.~Belous, G.~I.~Britvich, I.~G.~Britvich, K.~V.~Datsko, A.~P.~Filin and A.~V.~Inyakin {\it et al.},
  %``High statistics study of the K- ---> pi0 e- nu decay,''
  Phys.\ Lett.\ B {\bf 574} (2003) 14
  [hep-ex/0309019].
  %%CITATION = HEP-EX/0309019;%%
  %7 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Yushchenko:2003xz}
\bibitem{Yushchenko:2003xz}
  O.~P.~Yushchenko, S.~A.~Akimenko, K.~S.~Belous, G.~I.~Britvich, I.~G.~Britvich, K.~V.~Datsko, A.~P.~Filin and A.~V.~Inyakin {\it et al.},
  %``High statistic study of the K- ---> pi0 mu- nu decay,''
  Phys.\ Lett.\ B {\bf 581} (2004) 31
  [hep-ex/0312004].
  %%CITATION = HEP-EX/0312004;%%
  %52 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Yushchenko:2004zs}
\bibitem{Yushchenko:2004zs}
  O.~P.~Yushchenko, S.~A.~Akimenko, G.~I.~Britvich, K.~V.~Datsko, A.~P.~Filin, A.~V.~Inyakin, A.~S.~Konstantinov and V.~F.~Konstantinov {\it et al.},
  %``High statistic measurement of the K- ---> pi0 e- nu decay form-factors,''
  Phys.\ Lett.\ B {\bf 589} (2004) 111
  [hep-ex/0404030].
  %%CITATION = HEP-EX/0404030;%%
  %64 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Uvarov:2004rx}
\bibitem{Uvarov:2004rx}
  V.~A.~Uvarov, S.~A.~Akimenko, G.~I.~Britvich, K.~V.~Datsko, A.~P.~Filin, A.~V.~Inyakin, V.~A.~Khmelnikov and A.~S.~Konstantinov {\it et al.},
  %``Experimental study of direct photon emission in K- ---> pi- pi0 gamma decay using ISTRA+ detector,''
  Phys.\ Atom.\ Nucl.\  {\bf 69} (2006) 26
  [hep-ex/0410049].
  %%CITATION = HEP-EX/0410049;%%
  %5 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Tchikilev:2005re}
\bibitem{Tchikilev:2005re}
  O.~G.~Tchikilev, S.~A.~Akimenko, G.~I.~Britvich, K.~V.~Datsko, A.~P.~Filin, A.~V.~Inyakin, V.~A.~Khmelnikov and A.~S.~Konstantinov {\it et al.},
  %``Observation of the radiative kaon decay K- ---> mu- pi0 gamma nu,''
  Phys.\ Atom.\ Nucl.\  {\bf 70} (2007) 29
  [hep-ex/0506023].
  %%CITATION = HEP-EX/0506023;%%
  %7 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Bolotov:2005xh}
\bibitem{Bolotov:2005xh}
  V.~N.~Bolotov, E.~N.~Gushchin, V.~A.~Duk, S.~V.~Laptev, V.~A.~Lebedev, A.~E.~Mazurov, A.~Y.~.Polyarush and V.~E.~Postoev {\it et al.},
  %``Study of K- ---> pi0 e- anti-nu/e gamma and K- ---> pi0 nu- anti-nu/mu gamma decay with ISTRA+ setup,''
  %%CITATION = INSPIRE-703504;%%

%\cite{Bolotov:2005eu}
\bibitem{Bolotov:2005eu}
  V.~N.~Bolotov, E.~N.~Gushchin, V.~A.~Duk, S.~V.~Laptev, V.~A.~Lebedev, A.~E.~Mazurov, A.~Y.~.Polyarush and V.~E.~Postoev {\it et al.},
  %``Study of K- ---> pi0 e- anti-nu(e) gamma decay with ISTRA+ setup,''
  hep-ex/0510064.
  %%CITATION = HEP-EX/0510064;%%
  %5 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Romanovsky:2007qb}
\bibitem{Romanovsky:2007qb}
  V.~I.~Romanovsky, S.~A.~Akimenko, G.~I.~Britvich, K.~V.~Datsko, A.~P.~Filin, A.~V.~Inyakin, A.~S.~Konstantinov and I.~Y.~Korolkov {\it et al.},
  %``Measurement of K- ---> pi0 e- anti-nu(gamma) branching ratio,''
  arXiv:0704.2052 [hep-ex].
  %%CITATION = ARXIV:0704.2052;%%
  %19 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Tchikilev:2008zz}
\bibitem{Tchikilev:2008zz}
  O.~G.~Tchikilev, S.~A.~Akimenko, G.~I.~Britvich, A.~P.~Filin, A.~S.~Konstantinov, I.~Y.~Korolkov, V.~M.~Leontiev and V.~P.~Novikov {\it et al.},
  %``Measurement of the Interference Term INT- in the Radiative Kaon Decay K- --> mu- anti-nu gamma,''
  IHEP-2008-27.
  %%CITATION = IHEP-2008-27;%%

%\cite{Chikilev:2008zz}
\bibitem{Chikilev:2008zz}
  O.~G.~Chikilev, S.~A.~Akimenko, G.~I.~Britvich, A.~P.~Filin, A.~S.~Konstantinov, I.~Y.~Korolkov, V.~M.~Leontev and V.~P.~Novikov {\it et al.},
  %``Measurement of the interference term INT- in the radiative kaon decay K- ---> mu- anti-nu gamma,''
  IHEP-2008-027.
  %%CITATION = IHEP-2008-027;%%

%\cite{Bolotov:2009zza}
\bibitem{Bolotov:2009zza}
  V.~N.~Bolotov and V.~A.~Duk,
  %``Pion program for the future rare-decay experiments,''
  Phys.\ Atom.\ Nucl.\  {\bf 72} (2009) 63.
  %%CITATION = PANUE,72,63;%%

\cite{Tchikilev:2010wy}
\bibitem{Tchikilev:2010wy}
  O.~Tchikilev, S.~Akimenko, G.~Britvich, A.~Filin, A.~Konstantinov, I.~Korolkov, V.~Leontiev and V.~Obraztsov {\it et al.},
  %``Observation of the destructive interference in the radiative kaon decay K- ---> mu- nu-bar gamma,''
  %Submitted to: Phys.Lett.B
  [arXiv:1001.0374 [hep-ex]].
  %%CITATION = ARXIV:1001.0374;%%
  %2 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Duk:2010bs}
\bibitem{Duk:2010bs}
  V.~A.~Duk {\it et al.}  [The ISTRA+ Collaboration],
  %``Extraction of Kaon Formfactors from K^- -> mu^- nu_mu gamma Decay at ISTRA+ Setup,''
  Phys.\ Lett.\ B {\bf 695} (2011) 59
  [arXiv:1005.3517 [hep-ex]].
  %%CITATION = ARXIV:1005.3517;%%
  %3 citations counted in INSPIRE as of 22 Mar 2013

%\cite{Duk:2011yv}
\bibitem{Duk:2011yv}
  V.~A.~Duk {\it et al.}  [ISTRA+ Collaboration],
  %``Search for Heavy Neutrino in $K^- -> \mu^- \nu_h(\nu_h -> \nu \gamma)$ Decay at ISTRA+ Setup,''
  Phys.\ Lett.\ B {\bf 710} (2012) 307
  [arXiv:1110.1610 [hep-ex]].
  %%CITATION = ARXIV:1110.1610;%%
  %4 citations counted in INSPIRE as of 22 Mar 2013