@article{SEDP_1990-1991____A4_0,
     author = {Bourdaud, G.},
     title = {Le calcul fonctionnel dans les espaces de {Sobolev}},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:4},
     pages = {1--4},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1990-1991},
     mrnumber = {1131577},
     zbl = {0752.46013},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1990-1991____A4_0/}
}