Translated from the Russian by N. Kemmer. . translated from the Russian by N. Komissarova. Translated from the Russian by G. Leib. Translated from the Russian by M. Konyaeva. translated from the Russian by Oleg Glebov. translated from the Russian by Ram S. Wadhwa. translated from the Russian by Yuri Ermolyev. Translated from the Russian by Yuri Atanov. translated from the Russian by George Yankovsky. V. A. Fok ; translated from the Russian by N. Kemmer.