TY  - BOOK
AU  - Hopcroft,John E.
AU  - Ullman, Jeffrey D.,
TI  - Formal languages and their relation to automata
T2  - Addison-Wesley series in computer science and information processing
AV  - QA267.3 
PY  - 1969///
CY  - Reading, Mass.
PB  - Addison-Wesley Pub. Co.
KW  - Formal languages
KW  - Machine theory
KW  - Autómatas Lenguaje formal
N1  - Bibliography: p. 233-238
ER  -