@article{SPK_1975-1976__2__A1_0,
     author = {Kr\'ee, Paul},
     title = {Symboles et noyaux des op\'erateurs diff\'erentiels},
     journal = {S\'eminaire Paul Kr\'ee},
     note = {talk:1},
     pages = {1--16},
     publisher = {Secr\'etariat math\'ematique},
     volume = {2},
     year = {1975-1976},
     mrnumber = {501203},
     zbl = {0353.46056},
     language = {fr},
     url = {http://www.numdam.org/item/SPK_1975-1976__2__A1_0/}
}