@article{NUMA_1971__17_132054,
     author = {G. ALEFELD},
     title = {Anwendungen des {Fixpunktsatzes} f\"ur {Pseudometrische} {R\"aume} in der {Intervallrechnung.}},
     journal = {Numerische Mathematik},
     pages = {33--39},
     publisher = {mathdoc},
     volume = {17},
     year = {1971},
     zbl = {0222.65041},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1971__17_132054/}
}