@article{GDZPPN001265008,
title = {On the ideal extensions in ordered semigroups.},
journal = {Semigroup forum},
volume = {53},
year = {1996},
pages = {63-71},
zbl = {0848.06012},
url = {http://dml.mathdoc.fr/item/GDZPPN001265008}
}
Xie, Xiang-Yun; Wu, Ming-Fen. On the ideal extensions in ordered semigroups.. Semigroup forum, Tome 53 (1996) pp. 63-71. http://gdmltest.u-ga.fr/item/GDZPPN001265008/