00419nam a2200145 a 450000500170000000800410001704100080005808200110006610000180007724500750009526400300017030000110020065000460021165000160025720260717090939.0260717s1975    ii            000 0 eng d  aeng04a515.621 aSaxena, H. C.10aExamples in finite differences and numerical analysis /cSaxena, H. C. 1aDelhi :bS. Chand,c1975.  a322 p. 4aFinite differences and numerical analysis 4aMathematics