@incollection{JEDP_1990____A19_0,
     author = {Nicolas Lerner},
     title = {Op\'erateurs pseudo-diff\'erentiels et capacit\'es symplectiques},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {19},
     pages = {1--11},
     publisher = {\'Ecole polytechnique},
     year = {1990},
     zbl = {0729.35151},
     mrnumber = {92d:58204},
     language = {fr},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1990____A19_0/}
}