@article{NUMA_1980__34_132665,
     author = {H.N. M\"ulthei},
     title = {Splineapproximationen von  beliebigen  {Defekt}  zur  numerischen   {L\"osung} gew\"ohnlicher {Differentialgleichungen.} {Teil} {III.}},
     journal = {Numerische Mathematik},
     pages = {143--154},
     publisher = {mathdoc},
     volume = {34},
     year = {1980},
     zbl = {0435.65071},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1980__34_132665/}
}