00273nam a2200109Ia 4500100001600000654001100016245005800027260004500085082001300130300000800143546001200151  aSaxena/H.C   afinite  aExamples in finite differences and numerical analysis  bS.Chand and Company ltdaNew Delhic1986  a515bSAX  a336  aENGLISH