by L.D. Landau and E.M. Lifshitz ; translated from the Russian by J.B. Sykes and J.S. Bell. by L.D. Landau and E.M. Lifshitz. Translated from the Russian by J.B. Sykes and J.S. Bell. by L.D. Landau and E.M. Lifshitz ; translated from the Russian by J.B. Sykes and W.H. Reid. by L.D. Landau and E.M. Lifshitz ; translated from the Russian by J.B. Sykes and M.J. Kearsley. by L. D. Landau and E. M. Lifshitz. Translated from the Russian by J. B. Sykes and J. S. Bell. by L. D. Landau and E. M. Lifshitz. Translated from the Russian by J. B. Sykes and W. H. Reid. by D. Landau and E. M. Lifshitz. Translated from the Russian By J. B. Sykes and M. Hamermesh. by L. D. Landau and E. M. Lifshitz. Translated from the Russian by E. Peierls and R. F. Peierls. by L.D. Landau and E.M. Lifshitz ; translated from the Russian by J.B. Sykes, J.S. Bell, and M.J. Kearsley. by L. Landau and E. Lifshitz; translated from the Russian by Morton Hammermesh.