@article{ITA_1993__27_1_71_0, author = {Mitrana, Victor}, title = {On languages satisfying ``interchange lemma''}, journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications}, volume = {27}, year = {1993}, pages = {71-79}, mrnumber = {1213422}, zbl = {0770.68083}, language = {en}, url = {http://dml.mathdoc.fr/item/ITA_1993__27_1_71_0} }
Mitrana, Victor. On languages satisfying “interchange lemma”. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 27 (1993) pp. 71-79. http://gdmltest.u-ga.fr/item/ITA_1993__27_1_71_0/
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