TY  - BOOK
AU  - Papadimitriou Christos H.
TI  - Elements of the theory of computation
T2  - NA
SN  - NA.
U1  - 511.3 
PY  - 1998///,
CY  - New Delhi: 
PB  - Prentice-Hall. 
KW  - Comp. Sc
ER  -