00345nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001700084245005800101260002500159300000800184650001900192221030s9999    xx            000 0 und d  a0071164944  aEnglish  a105.23bLip  aS. Lipschutz 0aSchaum`s Set Theory & Retaled Topicscby S. Lipschutz  bTMHaNew Delhic1999  a282  aBE Mathematics