TY - JOUR AU - Magnus, Robert TI - On multi-lump solutions to the non-linear Schrödinger equation JO - Electronic Journal of Differential Equations PY - 1998 VL - 1998 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_1998__1998__a1/ LA - en ID - EJDE_1998__1998__a1 ER -