@article{1181069417,
author = {Llibre, Jaume and Vulpe, Nicolae},
title = {Planar Cubic Polynomial Differential Systems with the Maximum Number of Invariant Straight Lines},
journal = {Rocky Mountain J. Math.},
volume = {36},
number = {6},
year = {2006},
pages = { 1301-1373},
language = {en},
url = {http://dml.mathdoc.fr/item/1181069417}
}
Llibre, Jaume; Vulpe, Nicolae. Planar Cubic Polynomial Differential Systems with the Maximum Number of Invariant Straight Lines. Rocky Mountain J. Math., Tome 36 (2006) no. 6, pp. 1301-1373. http://gdmltest.u-ga.fr/item/1181069417/