@article{SEDP_1990-1991____A9_0,
     author = {Sj\"ostrand, J.},
     title = {Estimations sur les r\'esonances pour le laplacien avec une perturbation \`a support compact},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:9},
     pages = {1--12},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1990-1991},
     mrnumber = {1131582},
     zbl = {0739.35051},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1990-1991____A9_0/}
}