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@article{SF_1988__37_1_134921, author = {P.G. Trotter and F.J. Pastijn}, title = {Residual finiteness in completely regular semigroup varieties.}, journal = {Semigroup forum}, pages = {127--148}, publisher = {mathdoc}, volume = {37}, number = {1}, year = {1988}, zbl = {0627.20032}, url = {http://geodesic.mathdoc.fr/item/SF_1988__37_1_134921/} }
P.G. Trotter; F.J. Pastijn. Residual finiteness in completely regular semigroup varieties.. Semigroup forum, Tome 37 (1988) no. 1, pp. 127-148. http://geodesic.mathdoc.fr/item/SF_1988__37_1_134921/