00249nam a2200097Ia 4500008004100000041000800041082001900049100001900068245002300087260004100110211209s1979    xx            000 0 und d  aeng  a515.43 N73 SHA  aSHANTI NARAYAN  aINTEGRAL CALCULUS   aNEW DELHIbS CHAND AND COMPANYc1979