TY  - BOOK
AU  - Hopcroft John E.; Motwani Rajeev & Ullman Jeffrey D.
TI  - Introduction to automata theory,languages, and computation
SN  - 81 7808 347 7
U1  - 001.535 Hop 
PY  - 2001///
CY  - Pearson Education Asia, New Delhi
ER  -