@article{SEDP_1986-1987____A16_0, author = {Helffer, B. and Sj\"ostrand, J.}, title = {Analyse semi-classique pour l'\'equation de {Harper}}, journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"}, note = {talk:17}, publisher = {Ecole Polytechnique, Centre de Math\'ematiques}, year = {1986-1987}, zbl = {0634.35056}, language = {fr}, url = {http://archive.numdam.org/item/SEDP_1986-1987____A16_0/} }