Coxeter, Harold Scott Macdonald, 1907- Non-Euclidean geometry . / by H. Smith Coxeter ... - Toronto, Can., : The University of Toronto Press, 1942. - xv, 281 p. : front., diagrs.; 20 cm. - Mathematical expositions; no. 2 . Includes bibliography : p. 267-272. Subjects--Topical Terms: Geometry, Non-Euclidean.-------- Dewey Class. No.: 513.8 COX