Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1988__24_1_a0, author = {Zelinka, Bohdan}, title = {Tolerances of polyunary algebras}, journal = {Archivum mathematicum}, pages = {1--4}, publisher = {mathdoc}, volume = {24}, number = {1}, year = {1988}, mrnumber = {983002}, zbl = {0666.08002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1988__24_1_a0/} }
Zelinka, Bohdan. Tolerances of polyunary algebras. Archivum mathematicum, Tome 24 (1988) no. 1, pp. 1-4. http://geodesic.mathdoc.fr/item/ARM_1988__24_1_a0/