by FILIPPOV NIKOLAJ I,SU, BELYAKOV EVGENIJ K,SU, RABKIN YURIJ E,SU
Year of Publication 30.10.1981

by POTEKHIN ANATOLIJ M,SU, ANTONOV SERGEJ A,SU, LOSEV BORIS P,SU, BELYAKOV EVGENIJ K,SU
Year of Publication 25.11.1977