TY  - BOOK
AU  - Lewis,, Harry R. et.al.
TI  - Elements of the theory of computation / 
SN  - 81-203-2233-9
U1  - 511.3 
PY  - 2003///
CY  - New Delhi
PB  - Prentice-hall
KW  - Mathematics
KW  - General principles-Mathematics
N1  - Includes bibliographies and index
ER  -