000 00291nam a2200121Ia 4500
100 _aNarayanan S
245 _aDifferential Equations
250 _a9th
260 _c1994
_bS. Viswanathan (Printers & Publishers)
_aMadras
300 _a261
700 _aManicavachagom Pillay TK
942 _cBK
999 _c23025
_d23025