@article{GDZPPN001263021,
title = {Ideal nil-extensions of semigroups with semimodular congruence lattices.},
journal = {Semigroup forum},
volume = {46},
year = {1993},
pages = {353-358},
zbl = {0789.20068},
url = {http://dml.mathdoc.fr/item/GDZPPN001263021}
}
Wang, L.M. Ideal nil-extensions of semigroups with semimodular congruence lattices.. Semigroup forum, Tome 46 (1993) pp. 353-358. http://gdmltest.u-ga.fr/item/GDZPPN001263021/