TY  - BOOK
AU  - HOPCROFT, JOHN, E AND ULLMAN, DEFFRY, D.
TI  - INTRODUCTION TO AUTOMATA THEORY, LANGUAGES AND COMPUTATION 
SN  - 8185015961
U1  - 005.131 HOP/ULL 
PY  - 2001///
CY  - NEW DELHI
PB  - NAROSA PUBLICATION
ER  -