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@article{SF_1995__51_1_135423, author = {P.R. Jones}, title = {E-free objects and {E-locality} for completely regular semigroups.}, journal = {Semigroup forum}, pages = {357--378}, publisher = {mathdoc}, volume = {51}, number = {1}, year = {1995}, zbl = {0836.20083}, url = {http://geodesic.mathdoc.fr/item/SF_1995__51_1_135423/} }
P.R. Jones. E-free objects and E-locality for completely regular semigroups.. Semigroup forum, Tome 51 (1995) no. 1, pp. 357-378. http://geodesic.mathdoc.fr/item/SF_1995__51_1_135423/