@incollection{JEDP_1990____A2_0,
     author = {G\'erard, Patrick and Lebeau, Gilles},
     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},
     mrnumber = {91k:35010},
     zbl = {0706.35026},
     language = {fr},
     url = {http://archive.numdam.org/item/JEDP_1990____A2_0/}
}