(NiWAN iWANOWI^ vUKOW (B/s - (NgRIGOROW(B, (NoLEG nIKOLAEWI^s; (NfRIDRIHSBERG(B, (NdMITRIJ aLEKSANDROWI^s; (NlENINGRADSKIJ GOSUDARSTWENNYJ UNIWERSITET IM(B. (Na(B.(Na(B. (NvDANOWAs ((NlENINGRAD (B:s (NiZD(B-(NWO lENINGR(B. (NUN(B-(NTA(B,s, 1969)
(NnA OBL(B. (NAWT NE UKAZANYs
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Keywords: (NvUKOW(B, (NiWAN iWANOWI^s; (NsOWETSKIE U^ENYE (B- (NhIMIQs