@article{SMS_1969-1970__1__A1_0,
     author = {Cori, Robert},
     title = {Un langage quasi-rationnel li\'e aux graphes planaires},
     journal = {S\'eminaire Sch\"utzenberger},
     note = {talk:1},
     pages = {1--16},
     publisher = {Secr\'etariat math\'ematique},
     volume = {1},
     year = {1969-1970},
     mrnumber = {289322},
     zbl = {0216.23901},
     language = {fr},
     url = {http://www.numdam.org/item/SMS_1969-1970__1__A1_0/}
}