Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1970__6_2_a3, author = {Navr\'atil, Emil}, title = {Context-free grammars with regular conditions}, journal = {Kybernetika}, pages = {--126}, publisher = {mathdoc}, volume = {06}, number = {2}, year = {1970}, mrnumber = {0278861}, zbl = {0208.02002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1970__6_2_a3/} }
Navrátil, Emil. Context-free grammars with regular conditions. Kybernetika, Tome 06 (1970) no. 2, p. 126. http://geodesic.mathdoc.fr/item/KYB_1970__6_2_a3/