A. Volsky, E. Sergievskaya ; translated from the Russian by Ivan Savin. N.M. Pokrovsky, translated from the Russian by I. V. Savin. A. Komar ; translated from the Russian by I. Savin. Ya S. Bugrov, S. M. Nikolsky, translated from the Russian by Leonid Levant. I.S. Gonorovsky ; translated from the Russian by N. Utkin. V.A. Uspensky ; translated from the Russian by R. Alavina. R. Gladkova and N. Kutylovskaya ; translated from the Russian by Natalia Wadhwa. G. E. Shilov ; translated from the Russian by V. I. Kisin. L.I. Sedov ; translated from the Russian by V.I. Kisin. L.V. Tarasov ; translated from the Russian by V. Kisin.