%0 Journal Article %A Marino, Giuseppe %A Pietramala, Paolamaria %T Boundary value problems with nonlinear boundary conditions in Banach spaces %J Commentationes Mathematicae Universitatis Carolinae %D 1990 %P 711-721 %V 31 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1990__31_4_a10/ %G en %F CMUC_1990__31_4_a10