@article{NUMA_1966__9_131728,
     author = {K. NICKEL},
     title = {\"Uber die {Notwendigkeit} einer {Fehlerschranken-Arithmetik} f\"ur {Rechenautomaten.}},
     journal = {Numerische Mathematik},
     pages = {69--79},
     year = {1966},
     volume = {9},
     zbl = {0154.41905},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1966__9_131728/}
}