%0 Journal Article %A Aitalioubrahim, Myelkebir %A Sajid, Said %T Higher order viability problem in Banach spaces %J Electronic journal of differential equations %D 2012 %V 2012 %U http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a22/ %G en %F EJDE_2012__2012__a22