@article{GDZPPN001262165,
title = {Perfect completely semisimple inverse semigroups.},
journal = {Semigroup forum},
volume = {44},
year = {1992},
pages = {395-397},
zbl = {0773.20027},
url = {http://dml.mathdoc.fr/item/GDZPPN001262165}
}
Goberstein, S.M. Perfect completely semisimple inverse semigroups.. Semigroup forum, Tome 44 (1992) pp. 395-397. http://gdmltest.u-ga.fr/item/GDZPPN001262165/