Surfaces of nonpositive curvature
By: Patrick Eberlein.
Series: Memoirs of the American Mathematical Society ; no. 218; Memoirs of the American Mathematical Society ;; no. 218.
Publisher: American Mathematical Society
Published: 1979
Place of publication: Providence
Language: eng
Number of pages: 90
Subjects: Geometry, Differential.; Manifolds (Mathematics); Surfaces.
Notes: Bibliography: p. 89-90.
"Volume 20 ... (first of 2 numbers)."