Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1993__46_1_135206, author = {F. Li}, title = {The existence of identity of orthodox semigroup rings.}, journal = {Semigroup forum}, pages = {27--31}, publisher = {mathdoc}, volume = {46}, number = {1}, year = {1993}, zbl = {0787.16024}, url = {http://geodesic.mathdoc.fr/item/SF_1993__46_1_135206/} }
F. Li. The existence of identity of orthodox semigroup rings.. Semigroup forum, Tome 46 (1993) no. 1, pp. 27-31. http://geodesic.mathdoc.fr/item/SF_1993__46_1_135206/