On a periodicity problem in the calculus of variations
Doklady Akademii Nauk, Tome 160 (1965) no. 2, pp. 287-289
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@article{DAN_1965_160_2_a9,
author = {A. I. Fet},
title = {On a periodicity problem in the calculus of variations},
journal = {Doklady Akademii Nauk},
pages = {287--289},
year = {1965},
volume = {160},
number = {2},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1965_160_2_a9/}
}
A. I. Fet. On a periodicity problem in the calculus of variations. Doklady Akademii Nauk, Tome 160 (1965) no. 2, pp. 287-289. http://geodesic.mathdoc.fr/item/DAN_1965_160_2_a9/