01001nam0-22003251i-450-9900013309804033213-540-53509-8000133098FED01000133098(Aleph)000133098FED0100013309820000920d1990----km-y0itay50------baengBifurcations of planar vector fieldsProceedings of a Meeting held in Luminy, France, September 18-22, 1989Editors J.-P. Francoise, R. Roussarie.BerlinSpringer-Verlagc1990.396 p.24 cmLecture Notes in Mathematics1455 .Teoria della biforcazioneCongressi515.35Francoise,J.-P.Roussarie,RobertITUNINARICAUNIMARCBK990001330980403321C-20-(14557916MA1MA134CXXBifurcations of planar vector fields81312UNINAING01