H. D. Ikramov ; Translated from the Russian by Oleg Efimov. H. D. Ikramov ; translated from the Russian by Oleg Efimov. G. Klimov ; translated from the Russian by Oleg Efimov. L. A. Artsimovich ; translated from the Russian by Oleg Glebov. I. E. Irodov ; translated from the Russian by Yuri Atanov. V. Vladimirov ; translated from the Russian by Oleg Meshkov. L. V. Tarasov ; translated from the Russian by Ram S. Wadhwa. V. V. Nekrasov ; translated from the Russian by Alexander Rosinkin. V. N. Kobranova ; translated from the Russian by V. V. Kuznetsov. F. Barbashov ; translated from the Russian by P. Smirnov.