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@article{SF_1983__26_134604, author = {A. Ehrenfeucht and G. Rozenberg}, title = {On the size of the subword complexity of square-free {DOL} languages.}, journal = {Semigroup forum}, pages = {215--224}, publisher = {mathdoc}, volume = {26}, year = {1983}, zbl = {0512.68058}, url = {http://geodesic.mathdoc.fr/item/SF_1983__26_134604/} }
A. Ehrenfeucht; G. Rozenberg. On the size of the subword complexity of square-free DOL languages.. Semigroup forum, Tome 26 (1983), pp. 215-224. http://geodesic.mathdoc.fr/item/SF_1983__26_134604/