@article{GDZPPN001264613,
title = {The bifree regular E-solid semigroups.},
journal = {Semigroup forum},
volume = {53},
year = {1996},
pages = {61-82},
zbl = {0841.20053},
url = {http://dml.mathdoc.fr/item/GDZPPN001264613}
}
Szendrei, M.B. The bifree regular E-solid semigroups.. Semigroup forum, Tome 53 (1996) pp. 61-82. http://gdmltest.u-ga.fr/item/GDZPPN001264613/