Bonola, Roberto
Non-Euclidean Geometry :A critical and Historical Study of itd Developments / Roberto Bonola . - U.S.A. : Dover Publications , 1955 . - p.; 20 cm.
Geometría no Euclidiana
Non-Euclidean Geometry :A critical and Historical Study of itd Developments / Roberto Bonola . - U.S.A. : Dover Publications , 1955 . - p.; 20 cm.
Geometría no Euclidiana