by (USSR)G.N.Yakovlev;by (USSR)V.A.Kudryavtsev; by (USSR)A.Starkov.;by (USSR)A.Starkov; by (USSR)A.Starkov;by (USSR)A.Starkov; by (USSR)I.V.Savelyev;by (USSR)V.S.Wolkenstein; by (USSR)S.Kobayashi;by (USSR)S.Kobayashi; by (USSR)M.Postniov;by (USSR)P.S.Modenov; by (USSR)N.B.Zucova;by (USSR)E.Rosenblit;