@book{MSMF_1986_2_24-25__1_0,
     author = {Helffer, B. and Sj\"ostrand, J.},
     title = {R\'esonances en limite semi-classique},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {24-25},
     year = {1986},
     doi = {10.24033/msmf.327},
     zbl = {0631.35075},
     language = {fr},
     url = {http://archive.numdam.org/item/MSMF_1986_2_24-25__1_0/}
}