@article{01225044,
title = {On multi-lump solutions to the non-linear Schr\"odinger equation.},
journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]},
volume = {1998},
year = {1998},
zbl = {0907.35046},
language = {en},
url = {http://dml.mathdoc.fr/item/01225044}
}
Magnus, Robert. On multi-lump solutions to the non-linear Schrödinger equation.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 1998 (1998) . http://gdmltest.u-ga.fr/item/01225044/