@article{SF_1991__42_3_135068,
     author = {P. Lakshmi and Hanumantha S. Rao},
     title = {The least semilattice of groups congruence on an eventually regular semigroup.},
     journal = {Semigroup forum},
     pages = {107--112},
     year = {1991},
     volume = {42},
     number = {3},
     zbl = {0716.20042},
     url = {http://geodesic.mathdoc.fr/item/SF_1991__42_3_135068/}
}