TY  - BOOK
AU  - Lipschutz, Seymour 
AU  - Lipson,  Marc Lars 
TI  - 2000 Solved Problems in Discrete Mathematics
SN  - 9780071126908 
U1  - 512.076 
PY  - 1992///
CY  - New York
PB  - McGraw-Hill
ER  -