@article{NUMA_1979__32_132617,
     author = {J. Sprekels and H. Voss},
     title = {Pointwise {Inclusions} of {Fixed} {Points} by {Finite} {Dimensional} {Iteration} {Schemes.}},
     journal = {Numerische Mathematik},
     pages = {381--392},
     publisher = {mathdoc},
     volume = {32},
     year = {1979},
     zbl = {0393.65052},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1979__32_132617/}
}