Coxeter, H. S. M.
Non-Euclidean geometry - 6th ed. - Washington, D.C. : Mathematical Association of America, c1998. - 1 online resource (xviii, 336 p. : ill.) - Spectrum, v. 23 2638-9045 ; .
Includes bibliographical references and index.
9781614445166 (online)
Geometry, Non-Euclidean.
Non-Euclidean geometry - 6th ed. - Washington, D.C. : Mathematical Association of America, c1998. - 1 online resource (xviii, 336 p. : ill.) - Spectrum, v. 23 2638-9045 ; .
Includes bibliographical references and index.
9781614445166 (online)
Geometry, Non-Euclidean.