01096nam a22002775i 4500991002189079707536cr nn 008mamaa121227s1991 de | s |||| 0|eng d9783540384335b14135127-39ule_instBibl. Dip.le Aggr. Matematica e Fisica - Sez. Matematicaeng51523Dumortier, Freddy53294Bifurcations of planar vector fields[e-book] :nilpotent singularities and abelian integrals /by Freddy Dumortier ... [et al.]Berlin :Springer,19911 online resource (viii, 226 p.)Lecture Notes in Mathematics,0075-8434 ;1480MathematicsGlobal analysis (Mathematics)Springer eBookshttp://dx.doi.org/10.1007/BFb0098353An electronic book accessible through the World Wide Web.b1413512703-03-2205-09-13991002189079707536Bifurcations of planar vector fields81215UNISALENTOle01305-09-13m@ -engde 00