TY  - BOOK
AU  - Lewis,Harry R.
AU  - Papadimitriou,Christos H.
TI  - Elements of the theory of computation
SN  - 8120322339 :
U1  - 511.8 
PY  - 2002///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Computer science
N1  - Includes bibliographical references and index
ER  -