TY  - BOOK
AU  - John E. Hopcroft
AU  - Rajeev Motwan,Jeffrey D. Ullman
TI  - Introduction to automata theory languages, and computation
SN  - 9788131720479
U1  - 511. 3 HOI 
PY  - 2004///
CY  - New Delhi
PB  - Pearson Education
KW  - Machine theory/ Formal language/ Computation complexity
N1  - Includes Bibliographical References and Index; Prog- CSE
ER  -