@article{ITA_1983__17_4_321_0, author = {Knast, Robert}, title = {A semigroup characterization of dot-depth one languages}, journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications}, volume = {17}, year = {1983}, pages = {321-330}, mrnumber = {743892}, zbl = {0522.68063}, language = {en}, url = {http://dml.mathdoc.fr/item/ITA_1983__17_4_321_0} }
Knast, Robert. A semigroup characterization of dot-depth one languages. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 17 (1983) pp. 321-330. http://gdmltest.u-ga.fr/item/ITA_1983__17_4_321_0/
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