TY  - BOOK
AU  - Hopcroft, Jonh E.,
AU  - Motwani, Rajeev
AU  - Ullman, Jeffery D.,
TI  - Introduction to Automata Theory,Languages, and Computation
SN  - 9788131720479
U1  - 511.35 
PY  - 2013///
CY  - Pearson 
PB  - New Delhi
ER  -