00652nam0-22002411i-450-990001184330403321000118433FED01000118433(Aleph)000118433FED0100011843320000920d1964----km-y0itay50------baengNoneuclidean geometryDI MESCHKOWSKI H.New YorkAcademic Press1964Meschkowski,Herbert<1909-1990>49259ITUNINARICAUNIMARCBK99000118433040332127-I-36311MA1MA1Noneuclidean geometry342391UNINAING01