L. B. Okun ; translated from Russian by V. I. Kisin. L.B. Okun ; translated from the Russian by V.I. Kisin. G. E. Shilov ; translated from the Russian by V. I. Kisin. I.M. Sobol ; 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. A. D. My閟kis ; translated from the Russian by V. M. Volosov. V.M. Starzhinskii ; translated from the Russian by V.I. Kisin. A.T. Fomenko ; translated from Russian by D.A. Leites. L. Reshetov ; translated from Russian by Leo M. Sachs.