@article{GDZPPN001255673,
title = {A Noetherian and confluent rewrite system for idempotent semigroups.},
journal = {Semigroup forum},
volume = {24},
year = {1982},
pages = {83-110},
zbl = {0493.68087},
url = {http://dml.mathdoc.fr/item/GDZPPN001255673}
}
Siekmann, J.; Szabó, P. A Noetherian and confluent rewrite system for idempotent semigroups.. Semigroup forum, Tome 24 (1982) pp. 83-110. http://gdmltest.u-ga.fr/item/GDZPPN001255673/