(NtEORETIKO(B-(NGRUPPOWYE METODY W FIZIKE (B:s (NtRUDY MEVDUNARODNOGO SEMINARA(B. (NzWENIGOROD(B, 24-26 (NNOQBRQ (B1982 (NG(B./s - (NmARKOW(B, (NmOISEJ aLEKSANDROWI^s ((NmOSKWA (B:s (NnAUKA(B,s, 1983)
(Nt(B. 1 (1983, 423 (NS(B.)s (Nt(B. 2 (1983, 560 (NS(B)s
Keywords: (NgRUPPY (B[(NMAT(B.]s; (NfIZIKAs