V. A. Fok ; translated from the Russian by N. Kemmer. A. Luikov, translated from the russian by T. Koutneva. S. Targ ; translated from the Russian by V. Talmy. A. Luikov ; translated from the Russian by T. Kortneva. V. G. Rekach ; translated from the Russian by M. Konyaeva. V. V. Naschokin ; translated from the Russian by S. Semyonov. A. D. Shcheglov ; translated from the Russian by V. Shiffer. A. Komar ; translated from the Russian by I. Savin. G. Klimov ; translated from the Russian by Oleg Efimov. L.V. Tarasov ; translated from the Russian by V. Kisin.