A. B. Migdal ; translated from the Russian edition by Anthony J. Leggett. E. S. Wentzel ; translated from the Russian by Michael G. Edelev. A. V. Pogorelov ; translated from the Russian by Leonid Levant. F. P. Edneral ; translated from the Russian by V. V. Afanasyev. A. Komar ; translated from the russian by L. Savin. V. S. Shapot ; translated from the Russian by David A. Myshne. I. E. Irodov ; translated from the Russian by Yuri Atanov. L. V. Tarasov ; translated from the Russian by Ram S. Wadhwa. M. K. Poltev; translated from the Russian by V. Kolykhmatov. P. S. Kireev ; translated from the Russian by Mark Samokhvalov.