(NmENDELEEW I EGO SEMXQ (B/s - (NtRIROGOWA(B-(NmENDELEEWA(B, (No(B.(Nd(B.s ((NmOSKWA (B:s (NiZD(B-(NWO an sssr(B,s, 1947)
Keywords: (NmENDELEEW(B, (NdMITRIJ iWANOWI^s; (NhIMIQs