@incollection{JEDP_1985___2_A2_0,
     author = {Bernard Helffer and Johannes Sj\"ostrand},
     title = {Effet tunnel pour l'op\'erateur de {Schr\"odinger} semi-classique. {I}},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {2},
     pages = {1--38},
     publisher = {\'Ecole polytechnique},
     number = {2},
     year = {1985},
     language = {fr},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1985___2_A2_0/}
}