Double elliptic geometry in terms of point and order alone ...
By: by John Robert Kline ...
Published: 1916
Place of publication: [Lancaster, Pa; Princeton, N.J
Language: eng
Number of pages: 44
Subjects: Geometry, Non-Euclidean.
Notes: "Reprinted from Annals of mathematics, second series, vol. XVIII, no. 1, September, 1916."

Thesis (Ph.D.)--University of Pennsylvania, 1916.