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