TY  - BOOK
AU  - H. R. Lewis
AU  - C. H. Papadimitriou
TI  - Elements of the Theory of Computation
SN  - 8131703878
U1  - 105.23 
PY  - 2009///
CY  - Delhi
PB  - Pearson Edcuation
KW  - IT
ER  -