Filters








1 Hit in 0.032 sec

Book Review: The Elements of Non-Euclidean Plane Geometry and Trigonometry

J. L. Coolidge
1917 Bulletin of the American Mathematical Society  
doi:10.1090/s0002-9904-1917-02997-7 fatcat:sydwhx2awfdhxcsorwga7f4qd4