[by] N. S. Landkof. Translated from the Russian by A. P. Doohovskoy. by B. V. Gnedenko ; translated from the Russian by George Yankovsky. I. M. Yaglom ; translated from the Russian by I. G. Volosova. by M.Korsunsky ;Translated from the Russian by G. Yankovsky. E. S. Makarov ; translated from the Russian by E.B. Uvarov. V. A. Fock ; translated from the Russian by Eugene Yankovsky. [by] V. Rydnik. Translated from the Russian by George Yankovsky. [by] N. Piskunov ; translated from the Russian by George Yankovsky. by G.I. Epifanov ; translated from the Russian by Mark Samokhvalov. F. P. Edneral ; translated from the Russian by V. V. Afanasyev.