@article{NUMA_1971__18_132093,
     author = {M.N. Spijker},
     title = {On the {Structure} of {Error} {Estimates} for {Finite-Difference} {Methods.}},
     journal = {Numerische Mathematik},
     pages = {73--100},
     publisher = {mathdoc},
     volume = {18},
     year = {1971},
     zbl = {0211.18802},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1971__18_132093/}
}