The complex centers and foci of a second order differential equation
Differencialʹnye uravneniâ, Tome 14 (1978) no. 3, pp. 425-434
Cet article a éte moissonné depuis la source Math-Net.Ru
@article{DE_1978_14_3_a3,
author = {\`E. I. Grudo},
title = {The complex centers and foci of a second order differential equation},
journal = {Differencialʹnye uravneni\^a},
pages = {425--434},
year = {1978},
volume = {14},
number = {3},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1978_14_3_a3/}
}
È. I. Grudo. The complex centers and foci of a second order differential equation. Differencialʹnye uravneniâ, Tome 14 (1978) no. 3, pp. 425-434. http://geodesic.mathdoc.fr/item/DE_1978_14_3_a3/