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@article{SF_1989__39_2_134982, author = {H.T. Murof}, title = {On an application of the work of {D.E.} {Knuth} to semigroups.}, journal = {Semigroup forum}, pages = {117--124}, publisher = {mathdoc}, volume = {39}, number = {2}, year = {1989}, zbl = {0653.00023}, url = {http://geodesic.mathdoc.fr/item/SF_1989__39_2_134982/} }
H.T. Murof. On an application of the work of D.E. Knuth to semigroups.. Semigroup forum, Tome 39 (1989) no. 2, pp. 117-124. http://geodesic.mathdoc.fr/item/SF_1989__39_2_134982/