TY  - BOOK
AU  - Hopcroft, John E
AU  - Motwani, Rajeev 
AU  - Ullman, Jeffrey D 
TI  - Introduction to Automata Theory, Languages and Computation
SN  - 9788131720479
PY  - 2009///;2011;2012
CY  - New Delhi
PB  - Pearson
ER  -