TY  - BOOK
AU  - Hopcroft, John E.; Ullman, Jeffrey D.; Motwani, Rajeev
TI  - Introduction to automata theory, languages, and computation
SN  - 9788131720479
U1  - 629.831 HOP 
PY  - 2008///
CY  - Noida
PB  - Pearson
ER  -