%0 Journal Article %A Rudolf, Boris %T The generalized boundary value problem is a Fredholm mapping of index zero %J Archivum mathematicum %D 1995 %P 55-58 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1995__31_1_a5/ %G en %F ARM_1995__31_1_a5