TY  - BOOK
AU  - Hofcroft, John E..
TI  - Introducion to automata theory, languages and computation / 
SN  - 81-85015-96-1
U1  - Bv  
PY  - 1987///
CY  - New Delhi : 
PB  - Narosa publishing House , 
KW  - Computer
ER  -