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@article{SF_1994__48_3_135302, author = {K.D. jr. Magill}, title = {Magnifying elements of transformation semigroups.}, journal = {Semigroup forum}, pages = {119--126}, publisher = {mathdoc}, volume = {48}, number = {3}, year = {1994}, zbl = {0805.20050}, url = {http://geodesic.mathdoc.fr/item/SF_1994__48_3_135302/} }
K.D. jr. Magill. Magnifying elements of transformation semigroups.. Semigroup forum, Tome 48 (1994) no. 3, pp. 119-126. http://geodesic.mathdoc.fr/item/SF_1994__48_3_135302/