000 00271nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aJ C Chaturvedi & others
245 0 _aIntegral calculus
260 _aAgra
_bStudents Friends & Co.
_c1971
650 _aMath
942 _cBK
999 _c2722
_d2722