Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1983__19_3_a4, author = {\v{C}ern\'y, Anton}, title = {Descriptional complexity measures of context-free languages}, journal = {Kybernetika}, pages = {237--247}, publisher = {mathdoc}, volume = {19}, number = {3}, year = {1983}, mrnumber = {716652}, zbl = {0535.68039}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1983__19_3_a4/} }
Černý, Anton. Descriptional complexity measures of context-free languages. Kybernetika, Tome 19 (1983) no. 3, pp. 237-247. http://geodesic.mathdoc.fr/item/KYB_1983__19_3_a4/