Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1999__49_1_a1, author = {Kov\'a\v{r}, Tom\'a\v{s}}, title = {Two remarks on dually residuated lattice ordered semigroups}, journal = {Mathematica slovaca}, pages = {17--18}, publisher = {mathdoc}, volume = {49}, number = {1}, year = {1999}, mrnumber = {1804468}, zbl = {0943.06007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1999__49_1_a1/} }
Kovář, Tomáš. Two remarks on dually residuated lattice ordered semigroups. Mathematica slovaca, Tome 49 (1999) no. 1, pp. 17-18. http://geodesic.mathdoc.fr/item/MASLO_1999__49_1_a1/