@article{BSMF_1955__83__225_0,
     author = {Lions, Jacques-Louis},
     title = {Sur quelques probl\`emes aux limites relatifs \`a des op\'erateurs diff\'erentiels elliptiques},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {225--250},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {83},
     year = {1955},
     doi = {10.24033/bsmf.1461},
     mrnumber = {17,746b},
     zbl = {0068.31003},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1461/}
}