TY  - BOOK
AU  - Hopcroft, John E
AU  - Motwani, Rajeev.
AU  - Ullman, Jeffrey D
TI  - Introduction to automata theory, languages and computation
U1  - 005.131 
PY  - 2002///
CY  - New Delhi
PB  - Narosa
KW  - Machine theory
ER  -