N. I. Muskhelishvili ; rev. translation from the Russian edited by J. R. M. Radok. by N.I. Muskhelishvili. Translated from the Russian by J.R.M. Radok. I. R. Shafarevich ; translated from the Russian by K. A. Hirsch. S.I. Pekar ; translated from the Russian edition by O.D. Kocherga. F. P. Edneral ; translated from the Russian by V. V. Afanasyev.