000 00300nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a515.35KUM:M
100 _aKumar, R
245 0 _aMathematics Series Differental Equations
260 _aDelhi
_bVardhman
_c1996
942 _cGB
999 _c23407
_d23407