00329    a2200133   4500020001500000082001500015100001900030245003700049260004200086300002100128650001800149650001600167650001200183  a0387953353  a512.7bROS  aRosen, Michael  aNumber theory in function fields  aNew YorkbSpringer-Verlagc2002g2002  axii, 358p.c24cm  aNUMBER THEORY  aMATHEMATICS  aALGEBRA