@article{GDZPPN001252534, title = {Maximal inverse subsemigroups of TX.}, journal = {Semigroup forum}, volume = {14}, year = {1977}, pages = {319-326}, zbl = {0379.20056}, url = {http://dml.mathdoc.fr/item/GDZPPN001252534} }
Reilly, N. R. Maximal inverse subsemigroups of TX.. Semigroup forum, Tome 14 (1977) pp. 319-326. http://gdmltest.u-ga.fr/item/GDZPPN001252534/