@article{BSMF_1912__40__305_0,
     author = {Birkoff, D.},
     title = {Quelques th\'eor\`emes sur le mouvement des syst\`emes dynamiques},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {305--323},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {40},
     year = {1912},
     doi = {10.24033/bsmf.909},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.909/}
}