00720nam0-22002651i-450-99000112431040332120071102150559.0000112431FED01000112431(Aleph)000112431FED0100011243120001205d1983----km-y0itay50------baengBasic topologyby Armstrong .New York [etc.]Springer-Verlag1983Undergraduate Texts in MathematicsArmstrong,M.A.54042ITUNINARICAUNIMARCBK990001124310403321C-4-(124469MA1ZIT-00422406MA1MA1Basic topology345094UNINA