TY  - JOUR
AU  - Gonçalves Ribeiro, J. M.
TI  - Instability of symmetric stationary states for some nonlinear Schrödinger equations with an external magnetic field
JO  - Annales de l'I.H.P. Physique théorique
PY  - 1991
SP  - 403
EP  - 433
VL  - 54
IS  - 4
PB  - Gauthier-Villars
UR  - http://www.numdam.org/item/AIHPA_1991__54_4_403_0/
LA  - en
ID  - AIHPA_1991__54_4_403_0
ER  -