(NzAGOWOR bABEFA (B/s - (N}EGOLEW(B, (Np(B.(Np(B.s ((NlENINGRAD (B:s (NpRIBOJ(B,s, 1927)
Keywords: (NbABEF(B, (NgRAKHs; (NsOCIALISTI^ESKIE U^ENIQ(B, 18 (NW(B.s