000 00254nam a2200109Ia 4500
008 230321s9999 xx 000 0 und d
082 _bTHU
100 _aThukral, J.K
245 0 _aDifferential Equations
260 _bMaximax Pub. House
_c2019
942 _cBD
999 _c6969
_d6969