(N|LEMENTY MATEMATIKI(B/s (NKN(B. 3,s (NoB]AQ TOPOLOGIQ(B. (NoSNOWNYE STRUKTURYs - (NbURBAKI n(B. s; (NbURBAKI(B, (Nn(B.s ((Nm(B.s (NnAUKAs, 1968)
(NbIBLIOGR(B.: (NS(B. 199-200 (20 (NNAZW(B. (NbIBLIOGR(B.: (NS(B. 261 (10 (NNAZW(B.). - (NuKAZ(B. (NOBOZNA^ENIJ(B, (NTERMINOW(B: (NS(B. 262-268s
Keywords: (NmATEMATIKA WYS[AQs; (NtOPOLOGIQs