Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1970__6_2_a2, author = {\v{C}ul{\'\i}k, Karel II}, title = {$n$-ary grammars and the description of mapping of languages}, journal = {Kybernetika}, pages = {--117}, publisher = {mathdoc}, volume = {06}, number = {2}, year = {1970}, mrnumber = {0272563}, zbl = {0194.31602}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1970__6_2_a2/} }
Čulík, Karel II. $n$-ary grammars and the description of mapping of languages. Kybernetika, Tome 06 (1970) no. 2, p. 117. http://geodesic.mathdoc.fr/item/KYB_1970__6_2_a2/