@article{JRAM_1971__246_151084,
     author = {Michael Stieglitz},
     title = {Die allgemeine {Form} der {O-Tauber-Bedingung} f\"ur das {Euler-Knopp-} und {Borel-Verfahren.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {172--179},
     publisher = {mathdoc},
     volume = {246},
     year = {1971},
     zbl = {0208.08502},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1971__246_151084/}
}