@article{ITA_1975__9_2_55_0,
     author = {Mohr, R.},
     title = {G\'en\'eralisation de la notion de langage \`a contexte libre. {Application} \`a l'analyse syntaxique de figures},
     journal = {Revue fran\c{c}aise d'automatique informatique recherche op\'erationnelle. Informatique th\'eorique},
     pages = {55--88},
     publisher = {Dunod-Gauthier-Villars},
     address = {Paris},
     volume = {9},
     number = {R2},
     year = {1975},
     mrnumber = {388870},
     language = {fr},
     url = {http://www.numdam.org/item/ITA_1975__9_2_55_0/}
}