TY  - BOOK
AU  - Dube, Rakesh. Pandey, Adesh and Gupta, Ritu 
TI  - Discrete structures and automata theory 
SN  - 81-7319-663-X 
U1  - 511.6 DUB  
PY  - 2007///
CY  - Narosa publishing house 
PB  - New Delhi 
KW  - MATHEMATICS
ER  -