TY  - BOOK
AU  - Lewis,Harry R.
TI  - Elements of the theory of compution
SN  - 0132734265
AV  - MATH QA267.L49 
PY  - 1981///
CY  - London
PB  -  : Prentice-Hall
KW  - Machine theory
KW  - Formal languages
N1  - Includes index
ER  -