00806nam0-22003011i-450-990002570200403321000257020FED01000257020(Aleph)000257020FED0100025702020000920d1956----km-y0itay50------baENGGeneral TopologyWaclaw Sierpinski.2.ed.TorontoUniversity Press1956.xii, 290 p.24 cmMathematical expositions7Geometria, Topologia516Sierpinski,Waclaw<1882-1969>50582ITUNINARICAUNIMARCBK990002570200403321MXXVI-D-4809033MASMASGeneral Topology340182UNINAING01