%0 Journal Article %A Bonanno, Gabriele %A Marano, Salvatore A. %T A characterization of the existence of solutions to some higher order boundary value problems %J Commentationes Mathematicae Universitatis Carolinae %D 1995 %P 459-460 %V 36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1995__36_3_a5/ %G en %F CMUC_1995__36_3_a5