TY  - BOOK
AU  - Nagpal; C K.
TI  - Formal languages and automata theory
SN  - 9780198071068
U1  - 511.3  1
PY  - 2011///
CY  - New Delhi
PB  - Oxford University Press
KW  - Mathematical preliminaries
KW  - Pushdown automata
KW  - Computable functions
ER  -