@article{SEDP_1974-1975____A20_0,
     author = {Cerezo, A.},
     title = {Sur les \'equations invariantes par un groupe},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:21},
     pages = {1--9},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1974-1975},
     mrnumber = {399349},
     zbl = {0326.22005},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1974-1975____A20_0/}
}