TY - JOUR AU - Karátson, J. TI - Gradient method in Sobolev spaces for nonlocal boundary-value problems JO - Electronic Journal of Differential Equations PY - 2000 VL - 2000 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2000__2000__a116/ LA - en ID - EJDE_2000__2000__a116 ER -