@article{MZ_1970__117_171402,
     author = {Karl Zeller and Franz Locher},
     title = {Divergenz bei {Quadraturverfahren.}},
     journal = {Mathematische Zeitschrift},
     pages = {18--20},
     publisher = {mathdoc},
     volume = {117},
     year = {1970},
     zbl = {0206.46804},
     url = {http://geodesic.mathdoc.fr/item/MZ_1970__117_171402/}
}