00620nam0-22002411i-450-990001165090403321000116509FED01000116509(Aleph)000116509FED0100011650920000920d1966----km-y0itay50------baengTopological Spacesde Cech Eduard.LondonInterscience1966Cech,Eduard55372ITUNINARICAUNIMARCBK99000116509040332128-L-286457MA1MA1Topological Spaces345821UNINAING01