00261nam a2200097Ia 4500008004100000041000800041100002200049245004500071260003900116300000800155211209s2019    xx            000 0 und d  aeng  aCHANDRASHEKAR K S  aADVANCED CALCULUS AND NUMERICAL METHODS   aNEW DELHIbSUDHA PUBLICATIONc2019  a333