TY  - GEN
AU  - Vatsa, B.S.
AU  - Vatsa, Suchi
TI  - Discrete mathematics
SN  - 978-81-224-2574-1
U1  - 510 
PY  - 2009///
CY  - Kolkata
PB  - New Age International
KW  - MATHAMATICS
ER  -