00368nam a2200133 a 450000500170000000800410001704100080005808200080006610000180007424500630009226400450015530000110020065000230021120260717091233.0260717s1986    ii            000 0 eng d  aeng04a5151 aSaxena, H. C.10aFinite differences and numerical analysis /cSaxena, H. C. 1aNew Delhi :bS.chand and company,c1986.  a358 p. 4aNumerical analysis