(NwOSTO^NOSLAWQNSKIE PLEMENA (B/s - (NtRETXQKOW(B, (NpETR nIKOLAEWI^(B.s; (NgREKOW(B, (Nb(B.(Nd(B.s; (NaKADEMIQ NAUK sssrs ((NmOSKWA (B:s (NlENINGRAD (B:s (NiZD(B-(NWO an sssr(B,s, 1948)
Keywords: (NfOLXKLORs