Two remarks with respect to conditions for a center
Differencialʹnye uravneniâ, Tome 17 (1981) no. 9, pp. 1709-1712.

Voir la notice de l'article provenant de la source Math-Net.Ru

@article{DE_1981_17_9_a26,
     author = {L. A. Cherkas},
     title = {Two remarks with respect to conditions for a center},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1709--1712},
     publisher = {mathdoc},
     volume = {17},
     number = {9},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_9_a26/}
}
TY  - JOUR
AU  - L. A. Cherkas
TI  - Two remarks with respect to conditions for a center
JO  - Differencialʹnye uravneniâ
PY  - 1981
SP  - 1709
EP  - 1712
VL  - 17
IS  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1981_17_9_a26/
LA  - ru
ID  - DE_1981_17_9_a26
ER  - 
%0 Journal Article
%A L. A. Cherkas
%T Two remarks with respect to conditions for a center
%J Differencialʹnye uravneniâ
%D 1981
%P 1709-1712
%V 17
%N 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1981_17_9_a26/
%G ru
%F DE_1981_17_9_a26
L. A. Cherkas. Two remarks with respect to conditions for a center. Differencialʹnye uravneniâ, Tome 17 (1981) no. 9, pp. 1709-1712. http://geodesic.mathdoc.fr/item/DE_1981_17_9_a26/