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@article{DAN_1966_166_5_a14, author = {V. S. Grinberg}, title = {Some new estimates in the theory of finite automata}, journal = {Doklady Akademii Nauk}, pages = {1066--1068}, publisher = {mathdoc}, volume = {166}, number = {5}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_166_5_a14/} }
V. S. Grinberg. Some new estimates in the theory of finite automata. Doklady Akademii Nauk, Tome 166 (1966) no. 5, pp. 1066-1068. http://geodesic.mathdoc.fr/item/DAN_1966_166_5_a14/