TY  - BOOK
AU  - HOPCROFT , JOHN E.
AU  - ULLMAN, JEFFREY D.
TI  - INTRODUCTION TO AUTOMATA THEORY LANGUAGES AND COMPUTATION
SN  - 8185015961
U1  - 004/HOP/ULL 
PY  - 2002///
CY  - NEW DELHI.
PB  - NAROSA PUBLISHING HOUSE PVT. LTD., NEW DELHI
ER  -