TY  - BOOK
AU  - Hopcroft, John E.
AU  - Motwani, Rajeev
AU  - Ullman, Jeffrey D.
TI  - Introduction to automata theory, languages, and computation
SN  - 9788131720479
U1  -  511.3 
PY  - 2006///
CY  - New Delhi,India
PB  - Pearson Education
KW  - Computational comlexity
ER  -