The number of Ljapunov constants for the conditions of the center of a certain differential equation
Differencialʹnye uravneniâ, Tome 10 (1974) no. 4, pp. 606-612
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@article{DE_1974_10_4_a4,
author = {G. M. Buldyk},
title = {The number of {Ljapunov} constants for the conditions of the center of a certain differential equation},
journal = {Differencialʹnye uravneni\^a},
pages = {606--612},
year = {1974},
volume = {10},
number = {4},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1974_10_4_a4/}
}
G. M. Buldyk. The number of Ljapunov constants for the conditions of the center of a certain differential equation. Differencialʹnye uravneniâ, Tome 10 (1974) no. 4, pp. 606-612. http://geodesic.mathdoc.fr/item/DE_1974_10_4_a4/