000 00307nam a2200133Ia 4500
008 210901s1969 xx 000 0 eng d
082 _a512.7 DUD
100 _aBurton,David M
245 0 _aElementary number theory
260 _bWm C.B
_c1994
300 _a374P.
650 _aMathematics
942 _2ddc
_cBK
999 _c9702
_d9702