@article{TSG_1986-1987__5__159_0,
     author = {Helffer, Bernard},
     title = {Sur l'\'equation de {Schr\"odinger} avec champ magn\'etique},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {159--164},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {5},
     year = {1986-1987},
     mrnumber = {1046249},
     zbl = {0900.35260},
     language = {fr},
     url = {http://archive.numdam.org/item/TSG_1986-1987__5__159_0/}
}