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Author: H. S. Carslaw
Title: The Elements of Non-Euclidean Plane Geometry and Trigonometry
Additional book information: London, Longmans, Green and Company, 1916. 16mo. vii+179 pp.
Reviewer: J. L. Coolidge
Journal: Bull. Amer. Math. Soc. 23 (1917), 461-467