@article{MSH_1963__4__3_0,
     author = {Sch\"utzenberger, M. P.},
     title = {Sur les contraintes d\'efinissant certains mod\`eles formels de langage},
     journal = {Math\'ematiques et sciences humaines},
     pages = {3--8},
     publisher = {Ecole Pratique des hautes \'etudes, Centre de math\'ematique sociale et de statistique},
     volume = {4},
     year = {1963},
     language = {fr},
     url = {http://archive.numdam.org/item/MSH_1963__4__3_0/}
}