@article{03618357,
title = {A simplification of D'Alarcao's idempotent separating extensions of inverse semigroups.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {1},
year = {1978},
pages = {393-396},
doi = {10.1155/S0161171278000393},
zbl = {0398.20064},
language = {en},
url = {http://dml.mathdoc.fr/item/03618357}
}
Edwards, Constance C. A simplification of D'Alarcao's idempotent separating extensions of inverse semigroups.. International Journal of Mathematics and Mathematical Sciences, Tome 1 (1978) pp. 393-396. doi : 10.1155/S0161171278000393. http://gdmltest.u-ga.fr/item/03618357/