000 00304nam a2200121Ia 4500
008 221007s9999 xx 000 0 und d
100 _aDr M D Raisinghania
245 0 _aOrdinary and Partial Differential Equations
250 _a19th
260 _aS. Chand
_bS. Chand
_c2018
300 _aM.37
942 _cBK
999 _c4730
_d4730