@incollection{MSMF_1972__31-32__133_0, author = {De Giorgi, Ennio}, title = {Sur l'existence de solutions analytiques d'\'equations \`a coefficients constants}, booktitle = {Colloque d'analyse fonctionnelle (Bordeaux, 1971)}, series = {M\'emoires de la Soci\'et\'e Math\'ematique de France}, pages = {133--135}, publisher = {Soci\'et\'e math\'ematique de France}, number = {31-32}, year = {1972}, doi = {10.24033/msmf.74}, mrnumber = {50 #7779}, zbl = {0243.35008}, url = {http://archive.numdam.org/articles/10.24033/msmf.74/} }