TY  - GEN
AU  - Hopcroft,John E
AU  - Hopcroft,John E
AU  - Ullman,Jeffrey D.
TI  - Introduction to automata theory, languages, and computation 
SN  - 81 85015 96 1
U1  - 519.713 HOP 
PY  - 1999///
CY  - New Delhi
PB  - Narosa
KW  - Formal languages
KW  - Machine theory
KW  - Computational complexity
ER  -