Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1975__11_6_a0, author = {Mezn{\'\i}k, Ivan}, title = {On $G$-machines generating intersection and union of generable languages}, journal = {Kybernetika}, pages = {--397}, publisher = {mathdoc}, volume = {11}, number = {6}, year = {1975}, mrnumber = {0400795}, zbl = {0325.94040}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1975__11_6_a0/} }
Mezník, Ivan. On $G$-machines generating intersection and union of generable languages. Kybernetika, Tome 11 (1975) no. 6, p. 397. http://geodesic.mathdoc.fr/item/KYB_1975__11_6_a0/