@incollection{JEDP_1986____A12_0,
     author = {Luigi Rodino},
     title = {Propagation of singularities and local solvability in {Gevrey} classes},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {12},
     pages = {1--11},
     publisher = {\'Ecole polytechnique},
     year = {1986},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1986____A12_0/}
}