@incollection{JEDP_1982____A12_0, author = {Matsuzawa, Tadato}, title = {Op\'erateurs pseudo-diff\'erentiels et classes de {Gevrey}}, booktitle = {}, series = {Journ\'ees \'equations aux d\'eriv\'ees partielles}, eid = {12}, pages = {1--6}, publisher = {Ecole polytechnique}, year = {1982}, zbl = {0489.35081}, language = {fr}, url = {http://www.numdam.org/item/JEDP_1982____A12_0/} }