Doklady Akademii Nauk, Tome 285 (1985) no. 4, pp. 819-823
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K. S. Sibirskii. Centroaffine invariant center and simple saddle-center conditions for a quadratic differential system. Doklady Akademii Nauk, Tome 285 (1985) no. 4, pp. 819-823. http://geodesic.mathdoc.fr/item/DAN_1985_285_4_a10/
@article{DAN_1985_285_4_a10,
author = {K. S. Sibirskii},
title = {Centroaffine invariant center and simple saddle-center conditions for a quadratic differential system},
journal = {Doklady Akademii Nauk},
pages = {819--823},
year = {1985},
volume = {285},
number = {4},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1985_285_4_a10/}
}
TY - JOUR
AU - K. S. Sibirskii
TI - Centroaffine invariant center and simple saddle-center conditions for a quadratic differential system
JO - Doklady Akademii Nauk
PY - 1985
SP - 819
EP - 823
VL - 285
IS - 4
UR - http://geodesic.mathdoc.fr/item/DAN_1985_285_4_a10/
LA - ru
ID - DAN_1985_285_4_a10
ER -
%0 Journal Article
%A K. S. Sibirskii
%T Centroaffine invariant center and simple saddle-center conditions for a quadratic differential system
%J Doklady Akademii Nauk
%D 1985
%P 819-823
%V 285
%N 4
%U http://geodesic.mathdoc.fr/item/DAN_1985_285_4_a10/
%G ru
%F DAN_1985_285_4_a10
