@article{1102971798, author = {McCann, Roger C.}, title = {Transversally perturbed planar dynamical systems.}, journal = {Pacific J. Math.}, volume = {35}, number = {3}, year = {1970}, pages = { 187-194}, language = {en}, url = {http://dml.mathdoc.fr/item/1102971798} }
McCann, Roger C. Transversally perturbed planar dynamical systems.. Pacific J. Math., Tome 35 (1970) no. 3, pp. 187-194. http://gdmltest.u-ga.fr/item/1102971798/