@article{100683, author = {Jozef Gruska}, title = {Induction in formal languages. Some properties of reducing transformations and of isolable sets}, journal = {Czechoslovak Mathematical Journal}, volume = {15}, year = {1965}, pages = {406-415}, zbl = {0135.25201}, mrnumber = {0220550}, language = {en}, url = {http://dml.mathdoc.fr/item/100683} }
Gruska, Jozef. Induction in formal languages. Some properties of reducing transformations and of isolable sets. Czechoslovak Mathematical Journal, Tome 15 (1965) pp. 406-415. http://gdmltest.u-ga.fr/item/100683/
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