@article{GDZPPN00125698X,
title = {The intersection of the maximal regular subsemigroups of the semigroup of binary relations.},
journal = {Semigroup forum},
volume = {30},
year = {1984},
pages = {343-350},
zbl = {0536.20042},
url = {http://dml.mathdoc.fr/item/GDZPPN00125698X}
}
Hardy, D.W.; Thornton, M.C. The intersection of the maximal regular subsemigroups of the semigroup of binary relations.. Semigroup forum, Tome 30 (1984) pp. 343-350. http://gdmltest.u-ga.fr/item/GDZPPN00125698X/