@article{ITA_1983__17_3_205_0, author = {Culik, Karel Ii and Karhum\"aki, Juhani}, title = {On the Ehrenfeucht conjecture for DOL languages}, journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications}, volume = {17}, year = {1983}, pages = {205-230}, mrnumber = {743886}, zbl = {0544.68050}, language = {en}, url = {http://dml.mathdoc.fr/item/ITA_1983__17_3_205_0} }
Culik, Karel Ii; Karhumäki, Juhani. On the Ehrenfeucht conjecture for DOL languages. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 17 (1983) pp. 205-230. http://gdmltest.u-ga.fr/item/ITA_1983__17_3_205_0/
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