01055nam--2200349---450-99000324268020331620090512135420.0000324268USA01000324268(ALEPH)000324268USA0100032426820090512d1961----km-y0itay50------baengUSa---||||001yyElementary concepts of topologyPaul AlexandroffWith a preface by David HilbertTranslated by ALan E. FarleyNew YorkDover publicationscopyr. 196157 p.ill.21 cmTit. orig.: Einfachste grundbegriffe der topologieTopologia514ALEXANDROFF,Paul304012HILBERT,DavidFARLEY,Alan E.ITsalbcISBD990003242680203316514 ALE7329/CBS51400220945BKSCIRSIAV69020090512USA011354Elementary concepts of topology733582UNISA