Vadim Nikolae vich Tsytovich ; tr. from the Russian By David L. Burdick. Vladimir Mikhailovich Fridkin ; tr. from the Russtan by Grace E. Lockie. V. Tatrionov ; tr. from the Russian by David A. Myshne. I.R. Shafarevich ; tr. from the Russian by K.A. Hirsch. V.N. Tsytovich ; tr. from Russian by J.S. Wood.