Cubic and quartic planar differential systems with exact algebraic limit cycles.
Bendjeddou, Ahmed ; Cheurfa, Rachid
Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2011 (2011), / Harvested from The Electronic Library of Mathematics
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Publié le : 2011-01-01
EUDML-ID : urn:eudml:doc:229035 
@article{05854908,
     title = {Cubic and quartic planar differential systems with exact algebraic limit cycles.},
     journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
     volume = {2011},
     year = {2011},
     zbl = {1211.34042},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05854908}
}

Bendjeddou, Ahmed; Cheurfa, Rachid. Cubic and quartic planar differential systems with exact algebraic limit cycles.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2011 (2011) . http://gdmltest.u-ga.fr/item/05854908/