00780nam0 2200229 450 00001172120180515122808.020080522d1974----km-y0itay50------baengUSy-------001yyEuclidean and non-Euclidean geometriesdevelopment and historyMarvin Jay GreenbergSan FranciscoW. H. Freeman and companyc1974xi, 304 p.25 cm.GeometriaEsposizioni elementari516.00919Geometria. Storia, geografia, personeGreenberg,Marvin Jay41882ITUNIPARTHENOPE20080522RICAUNIMARC000011721516.2/10121669PISTEuclidean and non-euclidean geometries376575UNIPARTHENOPE