@article{NUMA_1983__42_132877,
     author = {H. Puschmann and J. Cort\'es},
     title = {The {Coordinex} {Problem} and {Its} {Relation} to the {Conjecture} of {Wilkinson.}},
     journal = {Numerische Mathematik},
     pages = {291--298},
     publisher = {mathdoc},
     volume = {42},
     year = {1983},
     zbl = {0522.65016},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1983__42_132877/}
}