00263pam a2200121 a 4500020000500000041000800005082001500013100002100028245004100049250001000090260003200100300000900132  c  aeng  a519.4bBAL  a BALGURUSWAMI E.  aNUMERICAL METHODShTextual Documents  a2004.  a[s.l]:bTata Macraw Hill  .  a608.