V.V. Petrov ; translated from the Russian by A.A. Brown. E. V. Artyushkov ; translated from the Russian by D. A. Brown. V.V. Bolotin ; translated from the Russian by J.I. Ghojel. V. A. Kovalevsky ; translated from the Russian by Arthur Brown. M.V.Muratov ; translated from the Russian by V.Agranat. V. Maslov ; translated from the Russian by O. Volodina. L. V. Tarasov ; translated from the Russian by Ram S. Wadhwa. V. Atabekov ; translated from the Russian by O. Volocina. V. V. Nekrasov ; translated from the Russian by Alexander Rosinkin. A. V. Pogorelov ; translated from the Russian by Leonid Levant.