00956nam0-22003011i-450-99000025735040332120060605174740.0000025735FED01000025735(Aleph)000025735FED0100002573520020821d1961----km-y0itay50------baengy-------001yyElementary concepts of topologyBy Paul Alexandroffwith a preface by David Hilberttranslated by Alan E. FarleyNew YorkDover Publicationsc196173, [6] p.21 cmDover books on physics, engineering, astronomyTelerilevamentoAleksandrov,Pavel Sergeevic<1896-1982>40Hilbert,Alan E.ITUNINARICAUNIMARCBK99000025735040332109 050-030134/LDINAEDINAEElementary concepts of topology117302UNINA