00256nam a2200109Ia 4500008004100000082001900041100001900060245001600079250000800095260003700103300000600140250404b        |||||||| |||| 00| 0 eng d  a515.1bAp645.C  aApostol, T. M.  aCalculusb/  a2nd  aNew Delhi:bWiley Eastern,c1980  a