00277    a2200109   4500020001500000082001500015100001800030245004300048260003600091300002400127650001600151  a8181478878  a511.1bKOS  aKoshy, Thomas  aDiscrete mathematics with applications  aNew DelhibElsevierc2004g2004  axxiv, 1045p.c24cm.  aMathematics