Double elliptic geometry in terms of point, order and congruence
By: [by] Donald A. Flanders.
Published: 1927
Place of publication: Philadelphia
Language: eng
Number of pages: 548
Subjects: Hyperspace.
Notes: Thesis (Ph. D.)--University of Pennsylvania, 1927.
"Reprint from the Annals of mathematics, vol. 28, no. 4."