(NaLGEBRA(B. (NtOPOLOGIQ(B. (NgEOMETRIQ (B/s - (NwSESO@ZNYJ INSTITUT NAU^NOJ I TEHNI^ESKOJ INFORMACII an sssrs ((NmOSKWA (B:s (Nwiniti(B.s)
(Nt(B. 17 (1979 ; 121 (NS(B.: (NIL(B.) :s
Keywords: (NaLGEBRAs; (NtOPOLOGIQs; (NgEOMETRIQs