00339nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001300084245005600097260002500153300000800178650001900186221030s9999    xx            000 0 und d  a0070990352  aEnglish  a105.23bAyr  aF. Ayres 0aSchaum`s Theory & Problems of Matricescby F. Ayres  bTMHaNew Delhic1974  a218  aBE Mathematics