Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1969_185_1_a14, author = {A. A. Letichevskii}, title = {Functional equivalence of automata with a final state}, journal = {Doklady Akademii Nauk}, pages = {58--60}, publisher = {mathdoc}, volume = {185}, number = {1}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_185_1_a14/} }
A. A. Letichevskii. Functional equivalence of automata with a final state. Doklady Akademii Nauk, Tome 185 (1969) no. 1, pp. 58-60. http://geodesic.mathdoc.fr/item/DAN_1969_185_1_a14/