@article{SF_1990__41_2_135041, author = {G. Rev\'esz}, title = {When is a total ordering of a semigroup a well-ordering?.}, journal = {Semigroup forum}, pages = {123--126}, year = {1990}, volume = {41}, number = {2}, zbl = {0708.06010}, url = {http://geodesic.mathdoc.fr/item/SF_1990__41_2_135041/} }