TY  - BOOK
AU  - Patel, R.B. 
AU  - Nath, Prem 
TI  - Theory of computation : (with formal language)
SN  - 9789380016528
U1  - 004.6 PAT  
CY  - New Delhi 
PB  - Khanna book publishing co (P) LTD.
ER  -