The isochronism of a center of certain systems of differential equations
Differencialʹnye uravneniâ, Tome 1 (1965) no. 3, pp. 295-302
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@article{DE_1965_1_3_a1,
author = {N. A. Lukashevich},
title = {The isochronism of a center of certain systems of differential equations},
journal = {Differencialʹnye uravneni\^a},
pages = {295--302},
year = {1965},
volume = {1},
number = {3},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1965_1_3_a1/}
}
N. A. Lukashevich. The isochronism of a center of certain systems of differential equations. Differencialʹnye uravneniâ, Tome 1 (1965) no. 3, pp. 295-302. http://geodesic.mathdoc.fr/item/DE_1965_1_3_a1/