000 00430nam a2200181Ia 4500
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020 _c200
040 _aMAIN
041 _aEnglish
100 _aGupta, R.K.
245 0 _aDifferential equations
_cR.K. Gupta
260 _bKrishna prakashan mandir
_aDelhi
_c2007
300 _a580p.
650 _aMathematics
700 _aJ.N. Sharma
942 _cBK
999 _c3190
_d3190