@article{GDZPPN001258133, title = {Left inverse semigroups with inverse transversals.}, journal = {Semigroup forum}, volume = {33}, year = {1986}, pages = {239-244}, zbl = {0582.20047}, url = {http://dml.mathdoc.fr/item/GDZPPN001258133} }
Yoshida, R. Left inverse semigroups with inverse transversals.. Semigroup forum, Tome 33 (1986) pp. 239-244. http://gdmltest.u-ga.fr/item/GDZPPN001258133/