@article{RCP25_1978__26__1_0,
     author = {Andreotti, Aldo and Nacinovich, Mauro},
     title = {Domaines de r\'egularit\'e pour les op\'erateurs elliptiques \`a coefficients constants (une fonction inconnue)},
     journal = {Les rencontres physiciens-math\'ematiciens de Strasbourg -RCP25},
     note = {talk:1},
     pages = {1--13},
     publisher = {Institut de Recherche Math\'ematique Avanc\'ee - Universit\'e Louis Pasteur},
     volume = {26},
     year = {1978},
     language = {fr},
     url = {http://archive.numdam.org/item/RCP25_1978__26__1_0/}
}