00632nam0-22002291i-450-990001306290403321000130629FED01000130629(Aleph)000130629FED0100013062920000920d--------km-y0itay50------baengBibliography of non-euclidean geometryby SOMMERVILLE D.M.Y.Sommerville,D.M.Y.347323ITUNINARICAUNIMARCBK99000130629040332114-L-3712326MA1MA1Bibliography of non-euclidean geometry383205UNINAING01