TY - JOUR AU - Cringanu, Jenica AU - Pasca, Daniel TI - A fixed point method for nonlinear equations involving a duality mapping defined on product spaces JO - Electronic journal of differential equations PY - 2013 VL - 2013 UR - http://geodesic.mathdoc.fr/item/EJDE_2013__2013__a7/ LA - en ID - EJDE_2013__2013__a7 ER -