Geodesics on surfaces of revolution
By: by Donald Percy Ling ...
Published: 1946
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 429
Notes: "Reprinted from the Transactions of the American Mathematical society, vol. 59, no. 3 ... May, 1946."

Vita.

Thesis (Ph. D.)--Columbia university, 1944.