(NpO^WY bRQNSKOJ OBLASTI I USLOWIQ IH OBRAZOWANIQ (B/s - (NaNTYKOW(B, (Na(B.(Nq(B.s ((NbRQNSK (B:s (NbRQNSKIJ RABO^IJ(B,s, 1958)
Keywords: (NpO^WOWEDENIEs -- (NbRQNSKAQ OBLASTXs