Sign-definiteness of quadratic forms of the calculus of variations
Doklady Akademii Nauk, Tome 326 (1992) no. 5, pp. 759-764
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@article{DAN_1992_326_5_a0,
author = {A. V. Arutyunov},
title = {Sign-definiteness of quadratic forms of the calculus of variations},
journal = {Doklady Akademii Nauk},
pages = {759--764},
year = {1992},
volume = {326},
number = {5},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1992_326_5_a0/}
}
A. V. Arutyunov. Sign-definiteness of quadratic forms of the calculus of variations. Doklady Akademii Nauk, Tome 326 (1992) no. 5, pp. 759-764. http://geodesic.mathdoc.fr/item/DAN_1992_326_5_a0/