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@article{SF_1977__14_186371, author = {A. Alexander Selden}, title = {The kernel of the determining endomorphism of a bisimple ...-semigroup.}, journal = {Semigroup forum}, pages = {265--272}, publisher = {mathdoc}, volume = {14}, year = {1977}, zbl = {0365.22004}, url = {http://geodesic.mathdoc.fr/item/SF_1977__14_186371/} }
A. Alexander Selden. The kernel of the determining endomorphism of a bisimple ...-semigroup.. Semigroup forum, Tome 14 (1977), pp. 265-272. http://geodesic.mathdoc.fr/item/SF_1977__14_186371/