%0 Journal Article %A Stephen B. Bank %A Robert P. Kaufmann %T On Briot-Bouquet Differential Equations and a Question of Einar Hille. %J Mathematische Zeitschrift %D 1981 %P 549-560 %V 177 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1981__177_173083/ %F MZ_1981__177_173083