V.V. Petrov ; translated from the Russian by A.A. Brown. L.I. Sedov ; translated from the Russian by V.I. Kisin. N.V. Efimov ; translated from the Russian by P.C. Sinha. E. S. Makarov ; translated from the Russian by E.B. Uvarov. G. E. Shilov ; translated from the Russian by V. I. Kisin. I.M. Sobol ; translated from the Russian by V. I. Kisin. N.M. Pokrovsky, translated from the Russian by I. V. Savin. L.B. Okun ; translated from the Russian by V.I. Kisin. L.V. Tarasov ; translated from the Russian by V. Kisin. V.A. Ugarov ; translated from the Russian by Yuri Atanov.