@article{SEDP_1990-1991____A16_0,
     author = {G\'erard, P.},
     title = {Mesures semi-classiques et ondes de {Bloch}},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:16},
     pages = {1--19},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1990-1991},
     mrnumber = {1131589},
     zbl = {0739.35096},
     language = {fr},
     url = {http://archive.numdam.org/item/SEDP_1990-1991____A16_0/}
}