00338nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001500084245004100099260003700140300000800177650001900185221030s9999    xx            000 0 und d  a8170089395  aEnglish  a105.23bGup  aN. P. Bali 0aDiierential Equationscby N. P. Bali  bFire Wall MediaaNew Delhic2001  a548  aBE Mathematics