Cederberg, Judith N. A cousre in modern geometries / by Judith N. Cederberg - 2nd ed. - New Delhi : Springer , 2010 . - 442 p. Paper Back ISBN: 9788184896008 Subjects--Topical Terms: MathematicsGeometryAxiomatic systemElliptic geometry Dewey Class. No.: 516 / JUD-C