TY  - BOOK
AU  - Lipschutz, Seymour
AU  - Lipson, Marc Lars
TI  - 2000 Solved problems in discrete mathematics
T2  - Schaum's solved problems series
SN  - 0-07-112690-2
CY  - New York
KW  - Discrete mathematics
KW  - Mathematics -- Solved problems
N1  - Includes index
ER  -