TY  - BOOK
AU  - Lewis, Harry R.
AU  - Papadimitriou, Christos H.
TI  - Elements of the theory of computation
SN  - 9788120310162
U1  - 511.352 L586e 
PY  - 1981///
CY  - New Delhi
PB  - Prentice Hall of India Private Limited
KW  - Machine theory
KW  - Computational complexity
KW  - Logic, Symbolic and mathematical
KW  - Formal languages
ER  -