[by] I.M. Gibalo. Translated by J. Schmorak. A. I. Busev ; translated by J. Schmorak [by] I. G. Kaplan. Translated by J. Gerratt. J. A. Eidus [and others] Translated by J. Schmorak. by J.E. Pin ; translated by A. Howie. [by] A. M. Dymov and A. P. Savostin. Translated by J. Schmorak. by J. C. Simon ; Translated by J. Howlett by Jean Dufay; translated by A.J. Pomerans. by R. Courant. Translated by E. F. McShane. by I.M. Tsidilkovski ; translated by R.S. Wadhwa.