N.N.Lebedev ; translated from the Russian by A.Beknazarov. by I. Perepechko ;translated from the Russian by Artavaz Beknazarov. byV. M. Potapov ; translated from the Russian by Artavaz Beknazarov. L. I. Antropov ; translated from the Russian By Artavaz Beknazarov. I. E. Irodov ; translated from the Russian by Yuri Atanov. M.V.Muratov ; translated from the Russian by V.Agranat. V.V. Petrov ; translated from the Russian by A.A. Brown. M. K. Poltev; translated from the Russian by V. Kolykhmatov. I. Weinberg; translated from the Russian by N. Komissarova. Yu. N. Rabotnov ; translated from the Russian by M. Konyaeva.