@article{urn:eudml:doc:38689, title = {Darbouxian integrability for polynomial vector fields on the 2-dimensional sphere.}, journal = {Extracta Mathematicae}, volume = {17}, year = {2002}, pages = {289-301}, zbl = {1042.34059}, mrnumber = {MR1937306}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38689} }
Gutiérrez, Carlos; Llibre, Jaume. Darbouxian integrability for polynomial vector fields on the 2-dimensional sphere.. Extracta Mathematicae, Tome 17 (2002) pp. 289-301. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38689/