@article{ITA_1989__23_1_29_0, author = {Diekert, Volker and M\"obus, Axel}, title = {Hotz-isomorphism theorems in formal language theory}, journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications}, volume = {23}, year = {1989}, pages = {29-43}, mrnumber = {990066}, zbl = {0665.68059}, language = {en}, url = {http://dml.mathdoc.fr/item/ITA_1989__23_1_29_0} }
Diekert, Volker; Möbus, Axel. Hotz-isomorphism theorems in formal language theory. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 23 (1989) pp. 29-43. http://gdmltest.u-ga.fr/item/ITA_1989__23_1_29_0/
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