00302nam a2200133Ia 4500008004100000082001000041082001000051100001900061100001700080245002200097260001100119260002900130260000900159230118s9999||||xx |||||||||||||| ||und||  a515.4  bVAS/I  aa.rbvasishtha  bdr.s.ksharma 0aintegral calculus  ameerut  bkrishna prakashan mandir  c1987