TY  - BOOK
AU  - Harry R Lewis
AU  - Christos H Papadimitriou
TI  - Elements of Theory of Computation_2nd Edition
SN  - 9788120322332
U1  - 005.131 
PY  - 2002///
CY  - Pearson Education
PB  - New Delhi
KW  - CSE
ER  -