L. B. Okun ; translated from Russian by V. I. Kisin. L.B. Okun ; translated from the Russian by V.I. Kisin. I.M. Sobol ; translated from the Russian by V. I. Kisin. G. E. Shilov ; translated from the Russian by V. I. Kisin. L.I. Sedov ; translated from the Russian by V.I. Kisin. A. D. My閟kis ; translated from the Russian by V. M. Volosov. N.M. Pokrovsky, translated from the Russian by I. V. Savin. L. Reshetov ; translated from Russian by Leo M. Sachs. I. M. Yaglom ; translated from the Russian by I. G. Volosova. B.B. Zvyagin ; translated from Russian by Simon Lyse.