@article{JRAM_1978__298_151978,
     author = {B. Kuttner},
     title = {Note on a scale of {Abel-type} summability methods.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {218--220},
     publisher = {mathdoc},
     volume = {298},
     year = {1978},
     zbl = {0366.40004},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1978__298_151978/}
}