000 00321nam a2200133Ia 4500
008 250111s9999 xx 000 0 und d
020 _a9788183505963
100 _aBANSAL, GUPTA
245 3 _aAN AID TO MATHEMATICS
260 _bSULTAN CHAND, NEW DELHI
_c2015
300 _a554
650 _aMathematics
942 _cBK
999 _c219801
_d219801