TY  - GEN
AU  -  Lipschutz,  Seymour
AU  -   Lipson, Marc Laras
AU  -   Patil, Varsha H
TI  - Discrete mathematics : (Schaum`s outlines)
SN  - 9781259062537
PY  - 2013///
CY  - New Delhi
PB  - McGraw-Hill 
ER  -