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@article{DAN_1974_215_2_a8, author = {A. L. Semenov}, title = {Regularity of languages $k$-linear for various $k$}, journal = {Doklady Akademii Nauk}, pages = {278--281}, publisher = {mathdoc}, volume = {215}, number = {2}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1974_215_2_a8/} }
A. L. Semenov. Regularity of languages $k$-linear for various $k$. Doklady Akademii Nauk, Tome 215 (1974) no. 2, pp. 278-281. http://geodesic.mathdoc.fr/item/DAN_1974_215_2_a8/