00310nam a2200121 a 450000500170000002000150001708200150003210000200004724500380006726000360010530000270014170000200016820251203110153.0  a0122091302  a512.7bDEN  aDence, Joseph B  aElements of the theory of numbers  aSan DiegobAcademic Pressc1998  axvii,517p.c23 cm H.B.  aDence, Thomas P