00346nam a2200133Ia 4500082001800000100002200018245003000040250000800070260005200078300002900130490004300159500000500202700000500207  a512.7bJ35.AN  aJanusz, Gerald J.  aAlgebraic number fieldsb  a2nd  aProvidencebAmerican Mathematical Societyc1996  ax, 276p. Index, Appendix  aGraduate studies in Mathematicsv v. 7  a  a