@article{05163979, title = {Ideals and Green's relations in ordered semigroups.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2006}, year = {2006}, doi = {10.1155/IJMMS/2006/61286}, zbl = {1121.06014}, language = {en}, url = {http://dml.mathdoc.fr/item/05163979} }
Kehayopulu, Niovi. Ideals and Green's relations in ordered semigroups.. International Journal of Mathematics and Mathematical Sciences, Tome 2006 (2006) . doi : 10.1155/IJMMS/2006/61286. http://gdmltest.u-ga.fr/item/05163979/