00749nam0-22002651i-450-990001267280403321000126728FED01000126728(Aleph)000126728FED0100012672820000920d1961----km-y0itay50------baengNon-euclidean geometryder KulczyckiLondon [etc.]Pergamon Press1961International series of monographs on pure and applied mathematics16 ̜volKulczycki,Stefan48414ITUNINARICAUNIMARCBK990001267280403321C-37-(163830MA1MA1Non-Euclidean Geometry355492UNINAING01