TY  - BOOK
AU  - Lewis, Harry R
AU  - Papadimitriou, Christos H
TI  - Elements of the theory of computation
SN  - 9788120322332
U1  - 004 
PY  - 1998///
CY  - New Delhi
PB  - PHI Learning Pvt Ltd
KW  - Computer Science
ER  -