by (USSR)I.P.Mukhlynov;Tran. by (USSR)O.A.Glebov; (United States)Editorial Department of SNC; by (USSR)V.A.Kudryavtsev;by (USSR)B.P.Demidovich; (USSR)Editorial Department of SPT; by (USSR)F.Schubert; (United States)Editorial Department of CAS; by (USSR)Y.S.Venttsel; (United States)Editorial Department of AMS; by (United States)G.E.Myers;by (United States)M.T.Myers; (United States)Editorial Department of CPC; by (Ganada)M.Atwood; (United States)Editorial Department of NC; by (United Kingdom)A.Room; (United States)Editorial Department of RHC; by (United Kingdom)M.Wheeler; (United States)Editorial Department of WNN; by (United Kingdom)N.Willis; (United States)Editorial Department of HH; by (United States)D.J.Young; (United States)Editorial Department of BBC;