@article{10_21136_CMJ_1982_101814, author = {Masat, Francis E.}, title = {Idempotents and inverses in conventional semigroups}, journal = {Czechoslovak Mathematical Journal}, pages = {384--388}, publisher = {mathdoc}, volume = {32}, number = {3}, year = {1982}, doi = {10.21136/CMJ.1982.101814}, mrnumber = {669780}, zbl = {0509.20048}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1982.101814/} }