(NoSNOWANIQ ALGEBRAI^ESKOJ TOPOLOGII (B/s - (NsTINROD(B, (Nn(B.s; (N|JLENBERG(B, (Ns(B.s; (NwILENSKA(B, (Nb(B.(Ns(B.s; (NpOSTNIKOW(B, M.M.s ((NmOSKWA (B:s (NgOS(B. (NIZD(B-(NWO FIZ(B.-(NMAT(B. (NLIT(B.,s, 1958)
Keywords: (NoSNOWANIQ ALGEBRAI^ESKOJ TOPOLOGIIs