TY  - BOOK
AU  - Hopcroft, John E. (John Edward)
AU  - Ullman, Jeffrey D
TI  - Introduction to automata theory, languages, and computation
U1  - 005.131 
PY  - 1979///
CY  - New Delhi
PB  - Narosa Publications
KW  - Machine Theory
KW  - Formal Languages
KW  - Computational Complexity
ER  -