000 00291nam a2200121 4500
020 _a978-8171418442
022 _a8171418449
100 _aA.K. Sharma
245 _aText Book of Differential Calculus
260 _aNew Delhi
_bDiscovery Publishing House
_c2020
300 _a563
942 _cBK
999 _c4297
_d4297