Guillemin, Victor,

Geometric asymptotics - Revised ed. - Providence, R.I. : American Mathematical Society, 1977. - 1 online resource (xviii, 474 p. : ill.) - Mathematical Surveys and Monographs, v. 14 2331-7159 ; .

Includes bibliographical references and index.

9780821832080 (online)


Asymptotic expansions.
Geometrical optics.
Geometry, Differential.