00270    a2200109   4500020001500000082001600015100002000031245002200051260004200073300002300115650002200138  a8121906814  a515.43bNAR  aNarayan, Shanti  aIntegral calculus  aNew DelhibS. Chand & co.c2002g1998  aviii, 350p.c21cm.  aINTEGRAL CALCULUS