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@article{DAN_1962_147_6_a9, author = {V. I. Levenshtein}, title = {The inversion of finite automata}, journal = {Doklady Akademii Nauk}, pages = {1300--1303}, publisher = {mathdoc}, volume = {147}, number = {6}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_147_6_a9/} }
V. I. Levenshtein. The inversion of finite automata. Doklady Akademii Nauk, Tome 147 (1962) no. 6, pp. 1300-1303. http://geodesic.mathdoc.fr/item/DAN_1962_147_6_a9/