TY  - GEN
AU  - Lewis, Harry R.
AU  - Papadimitriou,Christos H.
TI  - Elements of the theory of computation
SN  - 0132624788
AV  - QA267 
PY  - 1998///
CY  - Upper Saddle River, N.J.
PB  - Prentice-Hall
KW  - Computational complexity
KW  - Formal languages
KW  - Logic Symbolic and mathematical
KW  - Machine theory
N1  - Includes bibliographical references and index
ER  -