000 00255nam a22001217a 4500
082 _a512.72
100 _aDAVID M. BURTON
245 _aELEMENTARY NUMBER THEORY
250 _a7TH
260 _aCHENNAI
_bMGH
_c2011
300 _aXII, 450P
942 _cBK
999 _c8747
_d8747