000 00292nam a2200109Ia 4500
008 220303s9999 xx 000 0 und d
041 _aeng
082 _a515.35 VAS / DIF
100 _aVasishtha, A. R.
_994394
245 _aDifferential Equations
260 _aMeerut
_bKrishna Prakashan Mandir
999 _c102626
_d102626