%0 Journal Article %A Anderson, Douglas R. %A Avery, Richard I. %A Henderson, Johnny %A Liu, Xueyan %T Operator type expansion-compression fixed point theorem %J Electronic Journal of Differential Equations %D 2011 %V 2011 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a21/ %G en %F EJDE_2011__2011__a21