TY - BOOK AU - Françoise,J.-P. AU - Roussarie,Robert H. TI - Bifurcations of planar vector fields: proceedings of a meeting held in Luminy, France, Sept. 18-22, 1989 T2 - Lecture notes in mathematics SN - 0387535098 PY - 1990/// CY - Berlin , New York PB - Springer-Verlag KW - Bifurcation theory KW - Vector fields N1 - English and French; Includes bibliographical references ER -