%0 Journal Article %A Avery, Richard %A Henderson, Johnny %A O'Regan, Donal %T Functional compression-expansion fixed point theorem %J Electronic Journal of Differential Equations %D 2008 %V 2008 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a22/ %G en %F EJDE_2008__2008__a22