@article{BSMF_1903__31__290_1,
     author = {Boulanger, A.},
     title = {Sur les \'equations diff\'erentielles du troisi\`eme ordre, qui admettent un groupe continu de transformations},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {290--299},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {31},
     year = {1903},
     doi = {10.24033/bsmf.704},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.704/}
}