TY  - GEN
AU  - Hopcroft, John E.
AU  - Ullman, Jeffrey D.
TI  - Introduction automata theory, languages, computation
SN  - 8185015961
U1  - 511.3 
PY  - 1979///
CY  - New Delhi
PB  - Narosa publishing
KW  - Mathematical logic
ER  -