variational theory of geodesics [by] M.M. Postnikov.
Subtitle: Translated by Scripta Technica.  Edited by Bernard R. Gelbaum.
Contributors: Gelbaum, Bernard R,
Series: Saunders mathematical books
Publisher: Saunders
Published: 1967
Place of publication: Philadelphia
Language: eng
Number of pages: 200
Subjects: Calculus of variations; Geometry, Differential