00317nam a2200121Ia 4500008004100000020001800041082001500059100002500074245003800099250000800137260004200145300000800187190710s9999    xx            000 0 und d  a81-219-2232-1  a511.1 Sa T  aSarkar, Swapan Kumar 0aText book of discrete mathematics  a3rd  aNew DelhibS. Chand and Companyc2006  a731