by (USSR)L.V.Ovsiannikov;by (United States)J-P.Serre; by (USSR)M.Baryshnikov;by (United States)C.R.Jones; by (USSR)V.O.Toporkov;by (United States)C.Smith; by (USSR)A.V.Efimov;by (United States)M.Mandl; by (USSR)A.V.Bitsadze;by (United States)F.Bloom; by (USSR)C.Stanislasik;by (United States)R.Buckle; by (USSR)V.V.Beloussov;by (United States)R.G.Park; by (USSR)I.S.Dmitriev;by (United States)J.A.Kerr; by (USSR)O.V.Chernyak;by (United States)V.M.Faires; by (USSR)M.L.Krasonv;by (United States)S.Lang;