000 00284nam a2200121Ia 4500
008 190719s9999 xx 000 0 und d
100 _aK.C.Chowedhary
245 0 _aFirst Course in Number theory
260 _aN.D
_bAsian Books
_c2012
300 _a358
650 _aMath
942 _cBK
999 _c15010
_d15010