00297nam a2200121Ia 4500082001800000100002200018245003000040260003500070300001900105490004100124500000500165700000500170  a512.7bJ35.AN  aJanusz, Gerald J.  aAlgebraic number fieldsb  aNew YorkbAcademic Pressc1973  ax, 220p. Index  aPure and Applied Mathematicsv v. 55  a  a