@incollection{JEDP_1990____A2_0,
     author = {Patrick G\'erard and Gilles Lebeau},
     title = {Deuxi\`eme microlocalisation et probl\`emes aux limites},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {2},
     pages = {1--10},
     publisher = {\'Ecole polytechnique},
     year = {1990},
     zbl = {0706.35026},
     mrnumber = {91k:35010},
     language = {fr},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1990____A2_0/}
}