@article{urn:eudml:doc:39940, title = {Languajes and monoids with disjuntive identity.}, journal = {Collectanea Mathematica}, volume = {46}, year = {1995}, pages = {97-107}, zbl = {0852.20057}, mrnumber = {MR1366132}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:39940} }
Kari, Lila; Thierrin, Gabriel. Languajes and monoids with disjuntive identity.. Collectanea Mathematica, Tome 46 (1995) pp. 97-107. http://gdmltest.u-ga.fr/item/urn:eudml:doc:39940/