00780nam0-22002891i-450-990002570000403321000257000FED01000257000(Aleph)000257000FED0100025700020000920d1964----km-y0itay50------baENGPoint set TopologySteven A. Gaal.New YorkAcademic Press1964.xi, 317 p.23 cmPure and applied mathematics16Geometria, Topologia516Gaal,Steven Alexander41770ITUNINARICAUNIMARCBK990002570000403321MXXVI-D-25033035MASMASPoint set topology343269UNINAING01