Ratcliffe, John G. Foundations of Hyperbolic Manifolds / John G. Ratcliffe - 3rd Ed. - Switzerland : Springer, c1994. - xii,800p. - Graduate Texts in Mathematics Vol.149 . ISBN: 9783030315993 Subjects--Topical Terms: GeometryHyperbolic Spaces Dewey Class. No.: 516.9 / RatF3