@article{ITA_1979__13_1_31_0,
     author = {Courcelle, Bruno},
     title = {Arbres infinis et syst\`emes d'\'equations},
     journal = {RAIRO. Informatique th\'eorique},
     pages = {31--48},
     publisher = {EDP-Sciences},
     volume = {13},
     number = {1},
     year = {1979},
     mrnumber = {525456},
     zbl = {0406.68017},
     language = {fr},
     url = {http://www.numdam.org/item/ITA_1979__13_1_31_0/}
}