V.I. Lenin ; [translated from the Russian]. Authorized translation from the Russian. by J.Zenneck; translated from the German. O.N. Temkin ; translated from the Russian by P.P. Pozdeev. Y. I. Manin ; translated from the Russian by Neal Koblitz. I.V. Savelyev ; translated from the Russian by G. Leib. A.M. Vasilyev ; translated from the Russian by G. Leib. L.I. Sedov ; translated from the Russian by V.I. Kisin. L.B. Okun ; translated from the Russian by V.I. Kisin. V.V. Petrov ; translated from the Russian by A.A. Brown.