References
- Eine Einfuhrung in die Theorie endlicher Automaten Automatentheorie W.Brauer
- The Korena Journal of Computational and Applied Mathematics v.5 no.3 Some more on the finite automata B.Melnikov;A.Vakhitova
- The Korean Journal of Computational and Applied Mathematics A new algorithm of the state-minimization for the nondeterministic finite automata B.Melnikov