00301nam a2200121Ia 4500008004100000040001600041041001200057082001500069100002000084245003000104260003400134300001100168230917s9999||||xx |||||||||||||| ||und||  e99518aMAIN  aEnglish  a512.7 S54E  aStillwell, John 0aElements of number theory  aBerlinbSpringer-Verlagc2002  a254 p.