Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_2007_37_1a_1, author = {D. A. Romano}, title = {A note on the quasi-antiorder in a semigroup}, journal = {Novi Sad Journal of Mathematics}, pages = {3-9}, publisher = {mathdoc}, volume = {37}, number = {1}, year = {2007}, url = {http://geodesic.mathdoc.fr/item/NSJOM_2007_37_1a_1/} }
D. A. Romano. A note on the quasi-antiorder in a semigroup. Novi Sad Journal of Mathematics, Tome 37 (2007) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_2007_37_1a_1/