Coxeter, H. S. M. Non-Euclidean geometry/ by H. S. M. Coxeter. - 2d ed. - Toronto: The University of Toronto Press, 1947. - xv, 281 p.: ill.; 20 cm. - Mathematical expositions; no. 2. . Bibliography: p. 267-272. Subjects--Topical Terms: Geometry, Non-Euclidean. Dewey Class. No.: 516.1 / C879n