@article{MZ_1950__52_169124,
     author = {W. Meyer-K\"onig},
     title = {Die {Ep} und {S} {a-Summierbarkeit} einer {Potenzreihe} an der {Konvergenzgrenze}},
     journal = {Mathematische Zeitschrift},
     pages = {344--354},
     year = {1950},
     volume = {52},
     zbl = {0034.32901},
     url = {http://geodesic.mathdoc.fr/item/MZ_1950__52_169124/}
}