%0 Journal Article %A Cringanu, Jenica %A Pasca, Daniel %T A fixed point method for nonlinear equations involving a duality mapping defined on product spaces %J Electronic journal of differential equations %D 2013 %V 2013 %U http://geodesic.mathdoc.fr/item/EJDE_2013__2013__a107/ %G en %F EJDE_2013__2013__a107