@article{GDZPPN001261851,
title = {On a wreath product embedding and idempotent pure congruences on inverse semigroups.},
journal = {Semigroup forum},
volume = {44},
year = {1992},
pages = {45-54},
zbl = {0769.20027},
url = {http://dml.mathdoc.fr/item/GDZPPN001261851}
}
Billhardt, B. On a wreath product embedding and idempotent pure congruences on inverse semigroups.. Semigroup forum, Tome 44 (1992) pp. 45-54. http://gdmltest.u-ga.fr/item/GDZPPN001261851/