@article{105507, author = {Ivan Mezn\'\i k}, title = {On some closure properties of generable languages}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {014}, year = {1973}, pages = {541-552}, zbl = {0284.68061}, mrnumber = {0337062}, language = {en}, url = {http://dml.mathdoc.fr/item/105507} }
Mezník, Ivan. On some closure properties of generable languages. Commentationes Mathematicae Universitatis Carolinae, Tome 014 (1973) pp. 541-552. http://gdmltest.u-ga.fr/item/105507/
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