John E. Hopcroft, Rajeev Motwani, Jeffrey D. Ullman. Introduction to automata theory, languages, and computation - (2. ed.). Addison-Wesley series in computer science, Addison-Wesley-Longman, 2001.
@book{0000197, title = {Introduction to automata theory, languages, and computation - (2. ed.)}, author = {John E. Hopcroft and Rajeev Motwani and Jeffrey D. Ullman}, year = {2001}, tags = {automata theory, e-science}, researchr = {https://researchr.org/publication/0000197}, cites = {0}, citedby = {0}, series = {Addison-Wesley series in computer science}, publisher = {Addison-Wesley-Longman}, isbn = {978-0-201-44124-6}, }