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@article{SF_1990__40_1_135008, author = {P.M. Higgins}, title = {Embedding in bisimple semigroups.}, journal = {Semigroup forum}, pages = {105--108}, publisher = {mathdoc}, volume = {40}, number = {1}, year = {1990}, zbl = {0691.20048}, url = {http://geodesic.mathdoc.fr/item/SF_1990__40_1_135008/} }
P.M. Higgins. Embedding in bisimple semigroups.. Semigroup forum, Tome 40 (1990) no. 1, pp. 105-108. http://geodesic.mathdoc.fr/item/SF_1990__40_1_135008/