@article{ASNSP_1987_4_14_4_625_0,
     author = {Helffer, B. and Sj\"ostrand, J.},
     title = {Effet tunnel pour l'\'equation de {Schr\"odinger} avec champ magn\'etique},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {625--657},
     publisher = {Scuola normale superiore},
     volume = {4e s{\'e}rie, 14},
     number = {4},
     year = {1987},
     mrnumber = {963493},
     zbl = {0699.35205},
     language = {fr},
     url = {http://archive.numdam.org/item/ASNSP_1987_4_14_4_625_0/}
}