000 00334nam a2200145Ia 4500
008 180710s9999 xx 000 0 und d
020 _a51266
082 _a512.7
_bNAR
100 _aNARAYAN, Shanti
245 _aNumber systems
260 _aDelhi
_bS.Chand
_c1970
300 _aviii, 128 p.
650 _aNumber theory
942 _cS
999 _c72997
_d72997