@article{SEDP_1975-1976____A15_0,
     author = {Mattera, C.},
     title = {R\'egularit\'e pour des probl\`emes elliptiques singuliers},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:14},
     pages = {1--15},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1975-1976},
     mrnumber = {427815},
     zbl = {0345.35019},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1975-1976____A15_0/}
}