%0 Journal Article %A E. Casas-Alvero %T Infinitely near imposed singularities and singularities of polar curves. %J Mathematische Annalen %D 1990 %P 429-454 %V 287 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164696/ %F MAN_1990__287_1_164696