TY  - BOOK
AU  - Leon S Levy 
AU  - Levy, Leon S 
TI  - Discrete structures of computer science 
U1  - 004, LEV  
PY  - 1980///
CY  - New Delhi
PB  - Wiley Eastern
KW  - Computer science
KW  - Data Processing
KW  - Discrete structures
KW  - graphs
KW  - Sets,functions & relations
ER  -