Differencialʹnye uravneniâ, Tome 4 (1968) no. 11, pp. 2002-2009
Citer cet article
A. P. Sadovskii. The problem of center and focus. Differencialʹnye uravneniâ, Tome 4 (1968) no. 11, pp. 2002-2009. http://geodesic.mathdoc.fr/item/DE_1968_4_11_a8/
@article{DE_1968_4_11_a8,
author = {A. P. Sadovskii},
title = {The problem of center and focus},
journal = {Differencialʹnye uravneni\^a},
pages = {2002--2009},
year = {1968},
volume = {4},
number = {11},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DE_1968_4_11_a8/}
}
TY - JOUR
AU - A. P. Sadovskii
TI - The problem of center and focus
JO - Differencialʹnye uravneniâ
PY - 1968
SP - 2002
EP - 2009
VL - 4
IS - 11
UR - http://geodesic.mathdoc.fr/item/DE_1968_4_11_a8/
LA - ru
ID - DE_1968_4_11_a8
ER -
%0 Journal Article
%A A. P. Sadovskii
%T The problem of center and focus
%J Differencialʹnye uravneniâ
%D 1968
%P 2002-2009
%V 4
%N 11
%U http://geodesic.mathdoc.fr/item/DE_1968_4_11_a8/
%G ru
%F DE_1968_4_11_a8