00725nam0-22002771i-450-990002570110403321000257011FED01000257011(Aleph)000257011FED0100025701120000920d1967----km-y0itay50------baENGElementary TopologyDonald W. Blackett.New YorkAcademic Press1967.ix, 224 cmGeometria, Topologia516Blackett,Donald W.54533ITUNINARICAUNIMARCBK990002570110403321MXXVI-D-411268MASMASElementary topology345241UNINAING01