@article{GDZPPN001247816, title = {A remark concerning congruences on [0,-] bisimple inverse semigroups.}, journal = {Semigroup forum}, volume = {2}, year = {1971}, pages = {80-83}, zbl = {0237.20057}, url = {http://dml.mathdoc.fr/item/GDZPPN001247816} }
Schein, B.M. A remark concerning congruences on [0,-] bisimple inverse semigroups.. Semigroup forum, Tome 2 (1971) pp. 80-83. http://gdmltest.u-ga.fr/item/GDZPPN001247816/