000 00322nam a2200133Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a515
_bSIN
100 _aSingal, M K.
245 0 _aApproach to numbers
260 _aDelhi :
_bR Chand,
_c1968.
365 _a0.00
650 _aMathematical Sciences
999 _c11098
_d11098