@article{ITA_1980__14_2_169_0, author = {Sommerhalder, R.}, title = {Classes of languages proof against regular pumping}, journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications}, volume = {14}, year = {1980}, pages = {169-180}, mrnumber = {581675}, zbl = {0449.68035}, language = {en}, url = {http://dml.mathdoc.fr/item/ITA_1980__14_2_169_0} }
Sommerhalder, R. Classes of languages proof against regular pumping. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 14 (1980) pp. 169-180. http://gdmltest.u-ga.fr/item/ITA_1980__14_2_169_0/
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