@article{NUMA_1979__32_132601,
     author = {H.N. M\"ulthei},
     title = {Splineapproximationen von beliebigem {Defekt} zur numerischen {L\"osung} gew\"ohnlicher {Differentialgleichungen.} {Teil} {I.}},
     journal = {Numerische Mathematik},
     pages = {147--158},
     publisher = {mathdoc},
     volume = {32},
     year = {1979},
     zbl = {0409.65030},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1979__32_132601/}
}