Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1983__19_3_a2, author = {Chajda, Ivan and Nieminen, Juhani and Zelinka, Bohdan}, title = {Tolerances and orderings on semilattices}, journal = {Archivum mathematicum}, pages = {125--131}, publisher = {mathdoc}, volume = {19}, number = {3}, year = {1983}, mrnumber = {725194}, zbl = {0554.06006}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1983__19_3_a2/} }
Chajda, Ivan; Nieminen, Juhani; Zelinka, Bohdan. Tolerances and orderings on semilattices. Archivum mathematicum, Tome 19 (1983) no. 3, pp. 125-131. http://geodesic.mathdoc.fr/item/ARM_1983__19_3_a2/