00445nam a2200145 4500 2000 solved problems in discrete mathematics Seymour Lipschutz Lipschutz,Seymour New York McGraw-Hill c1992 v,404p.; 28cm.- Schaum's solved problems series 0071126902 510.76 LIP Mathematics-Problems,Exercises Mathematics-Theoretical Problems 0 0 0 0 PHSC NEHU NEHU 2011-11-25 0 510.76 LIP 220525 2011-11-25 00:00:00 Maths 2011-11-25 BK 72738 72738