TY  - GEN
AU  - Lipschutz , Seymour
AU  - Lipson , Marc Lars
TI  - Two thousand solved problems in discrete mathematics
SN  - 0070380317
U1  - 510.76 
PY  - 1992///
CY  - New york
PB  - McGraw-Hill
KW  - SOLVED PROBLEMS - MATHEMATICS
KW  - MATHEMATICS
ER  -