@article{BSMF_1969__97__329_0, author = {Kiselman, C.O.}, title = {Prolongement des solutions d'une \'equation aux d\'eriv\'ees partielles \`a coefficients constants}, journal = {Bulletin de la Soci\'et\'e Math\'ematique de France}, pages = {329--356}, publisher = {Soci\'et\'e math\'ematique de France}, volume = {97}, year = {1969}, doi = {10.24033/bsmf.1687}, zbl = {0189.40502}, mrnumber = {42 #2161}, language = {fr}, url = {http://archive.numdam.org/articles/10.24033/bsmf.1687/} }