00332nam a2200133Ia 4500008004100000100001500041245005800056250001200114260002300126300000900149650001600158942000700174999001700181190216s9999||||xx |||||||||||||| ||und||  aSaxena H C 0aExamples In Finite Differences And Numerical Analysis  a3rd Ed.  bS Chand & Coc1986  a336p  aMathematics  cBK  c30990d30990