TY  - BOOK
AU  - Hopcraft, John E.
AU  - Motwani, Rajeev
AU  - Ullman, Jeffrey D.
TI  - Introduction to automata theory languages and computation
SN  - 8178083477
U1  - 629.8312 
PY  - 2001///
CY  - New Delhi
PB  - Pearson
ER  -