(NrABOTA OB]ESTWENNYH U^ENI^ESKIH ORGANIZACIJ W U^EBNOJ GRUPPEs - (NpENZENCEW(B,(Nw(B. (Na(B.s; (NsERGEEW(B,(Na(B. (Nb(B.s ((Nm(B.s (NwYS[AQ [KOLAs, 1971)