Coxeter, H.S.M.
Non-Euclidean geometry - 5th ed. - Toronto University of Toronto Press 1955 - xv, 309 p.
_
Euclidean geometry
516.9 / COX
Non-Euclidean geometry - 5th ed. - Toronto University of Toronto Press 1955 - xv, 309 p.
_
Euclidean geometry
516.9 / COX