Positive periodic solutions of a class of differential equations of second order
Doklady Akademii Nauk, Tome 172 (1967) no. 2, pp. 264-266
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@article{DAN_1967_172_2_a3,
author = {Yu. S. Kolesov},
title = {Positive periodic solutions of a class of differential equations of second order},
journal = {Doklady Akademii Nauk},
pages = {264--266},
year = {1967},
volume = {172},
number = {2},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1967_172_2_a3/}
}
Yu. S. Kolesov. Positive periodic solutions of a class of differential equations of second order. Doklady Akademii Nauk, Tome 172 (1967) no. 2, pp. 264-266. http://geodesic.mathdoc.fr/item/DAN_1967_172_2_a3/