edited by A. V. Efimov and B. P. Demidovich ; translated from the Russian by Leonid Levant. A. V. Pogorelov ; translated from the Russian by Leonid Levant. edited by A. M. Prokhorov, A. S. Prokhorov ; translated from the Russian by Ram S. Wadhawa. S. M. Nikolsky, M. K. Potapov ; translated from Russian by Leonid Levant. edited by E. P. Velikhov ; translated from the Russian by S. Kittell. edited by N. G. Basov. ; translated from the Russian by P. S. Ivanov. A. I. Busev and I. P. Efimov ; translated from the Russian by V. A. Sipachev. edited by O. M. Belotserkovskii and V. P. Shidlovsky. ; translated from Russian by Ram S. Wadhwa. edited by G. S. Landsberg ; translated from the Russian by A. Troitsky. edited by I.M. Khalatnikov ; translated from the Russian by J.B. Sykes.