Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMJ_1999__49_3_a1, author = {Je\v{z}ek, Jaroslav}, title = {Some decidable congruences of free monoids}, journal = {Czechoslovak Mathematical Journal}, pages = {475--480}, publisher = {mathdoc}, volume = {49}, number = {3}, year = {1999}, mrnumber = {1707983}, zbl = {1008.20049}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMJ_1999__49_3_a1/} }
Ježek, Jaroslav. Some decidable congruences of free monoids. Czechoslovak Mathematical Journal, Tome 49 (1999) no. 3, pp. 475-480. http://geodesic.mathdoc.fr/item/CMJ_1999__49_3_a1/