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020 _aNULL
035 _a8105
082 _a517.6
_BSAX
100 _aSaxena, H. C.
245 0 _aCalculus Of Finite Difference
250 _a7th
260 _aN. Delhi
_bS. Chand and Company Ltd.
300 _a238
500 _a1997
650 _aNA
942 _cBK
999 _c8105
_d8105