000 00266nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aParamanand Gupta
245 0 _aComprehensive mathematics
260 _aNew Delhi
_bLaxmi Pub
_c2000
650 _aMath
942 _cBK
999 _c10489
_d10489