TY  - BOOK
AU  - Hopcroft,John.E
AU  - Ullman,Jeffery.D/
TI  - Introduction to automata theory, languages, and computation
SN  - 9788185015965
U1  - 511.35  HOP 
PY  - 2002///
CY  - New Delhi
PB  - Narosa
KW  - Mathematics
ER  -