TY  - BOOK
AU  - Hopcroft, John E.
TI  - Introduction to automata theory, languages and computation / 
SN  - 81-7808-347-7
U1  - BV 
PY  - 2001///
CY  - Delhi : 
PB  - Addison Wesley Longman Pte, Ltd, Indian Branch , 
KW  - Computational theory
ER  -