TY - JOUR AU - Khan, Rahmat Ali TI - Existence and approximation of solutions of second order nonlinear Neumann problems JO - Electronic journal of differential equations PY - 2005 VL - 2005 UR - http://geodesic.mathdoc.fr/item/EJDE_2005__2005__a85/ LA - en ID - EJDE_2005__2005__a85 ER -