Differential geometry and the calculus of variations. Second edition.
Hermann, Robert
Differential geometry and the calculus of variations. Second edition. - 2nd. - Massachusetts Math Sci Press 1977 - Interdisciplinary mathematics :xvii .
0915692244
Differential geometry and the calculus of variations. Second edition. - 2nd. - Massachusetts Math Sci Press 1977 - Interdisciplinary mathematics :xvii .
0915692244