@article{CAD_1981__6_4_485_0,
     author = {L'Hospitalier, Y.},
     title = {Le langage des math\'ematiques : th\`eme et version},
     journal = {Les cahiers de l'analyse des donn\'ees},
     pages = {485--491},
     publisher = {Dunod-Gauthier-Villars},
     address = {Paris},
     volume = {6},
     number = {4},
     year = {1981},
     language = {fr},
     url = {http://www.numdam.org/item/CAD_1981__6_4_485_0/}
}