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@article{SF_1984__29_134695, author = {D.W. Hardy and M.C. Thornton}, title = {The intersection of the maximal regular subsemigroups of the semigroup of binary relations.}, journal = {Semigroup forum}, pages = {343--350}, publisher = {mathdoc}, volume = {29}, year = {1984}, zbl = {0536.20042}, url = {http://geodesic.mathdoc.fr/item/SF_1984__29_134695/} }
D.W. Hardy; M.C. Thornton. The intersection of the maximal regular subsemigroups of the semigroup of binary relations.. Semigroup forum, Tome 29 (1984), pp. 343-350. http://geodesic.mathdoc.fr/item/SF_1984__29_134695/