@article{NUMA_1961__3_131500,
     author = {P.C. CHAKRAVARTI},
     title = {Truncation error in interpolation and numerical differentiation.},
     journal = {Numerische Mathematik},
     pages = {279--284},
     year = {1961},
     volume = {3},
     zbl = {0154.41305},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1961__3_131500/}
}