Geodesic
The problem of distinguishing the center and a focus for systems with nonzero linear part
Differencialʹnye uravneniâ, Tome 12 (1976) no. 7, pp. 1238-1246 Cet article a éte moissonné depuis la source Math-Net.Ru

Voir la notice de l'article

@article{DE_1976_12_7_a10,
     author = {A. P. Sadovskii},
     title = {The problem of distinguishing the center and a focus for systems with nonzero linear part},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1238--1246},
     year = {1976},
     volume = {12},
     number = {7},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1976_12_7_a10/}
}
TY  - JOUR
AU  - A. P. Sadovskii
TI  - The problem of distinguishing the center and a focus for systems with nonzero linear part
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 1238
EP  - 1246
VL  - 12
IS  - 7
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_7_a10/
LA  - ru
ID  - DE_1976_12_7_a10
ER  - 
%0 Journal Article
%A A. P. Sadovskii
%T The problem of distinguishing the center and a focus for systems with nonzero linear part
%J Differencialʹnye uravneniâ
%D 1976
%P 1238-1246
%V 12
%N 7
%U http://geodesic.mathdoc.fr/item/DE_1976_12_7_a10/
%G ru
%F DE_1976_12_7_a10
A. P. Sadovskii. The problem of distinguishing the center and a focus for systems with nonzero linear part. Differencialʹnye uravneniâ, Tome 12 (1976) no. 7, pp. 1238-1246. http://geodesic.mathdoc.fr/item/DE_1976_12_7_a10/