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@article{EJDE_2014__2014__a51, author = {Gine, Jaume}, title = {Non-existence of limit cycles for planar vector fields}, journal = {Electronic Journal of Differential Equations}, publisher = {mathdoc}, volume = {2014}, year = {2014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a51/} }
Gine, Jaume. Non-existence of limit cycles for planar vector fields. Electronic Journal of Differential Equations, Tome 2014 (2014). http://geodesic.mathdoc.fr/item/EJDE_2014__2014__a51/