000 00286nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aH.C. Sinha & V.B. Johri
245 2 _aA Text Book of Differential Equations
260 _aAgra
_bRam prasad & sons
_c1972
650 _aMath
942 _cBK
999 _c2744
_d2744