Yu. V. Egorov ; translated from Russian by Dang Prem Kumar. V. A. Ugarov, translated from Russian by Yuri Atanov. L. B. Okun ; translated from Russian by V. I. Kisin. Yu. I. Manin ; translated from Russian by M. Hazewinkel. V. N. Tsytovich ; translated from Russian by David L. Burdick. Z. U. Borisova ; translated from Russian by J. George Adashko. L. V. Tarasov ; translated from the Russian by Ram S. Wadhwa. Yu. N. Rabotnov ; translated from the Russian by M. Konyaeva. L. M. Soroko ;translated from Russian by Albin Tybulewicz. L. Reshetov, translated from Russian by Leo M. Sachs.