@article{MAN_1922__85_158909,
     author = {O. Sz\'asz},
     title = {\"Uber {Singularit\"aten} von {Potenzreihen} und {Dirichletschen} {Reihen} am {Rande} des {Konvergenzbereiches}},
     journal = {Mathematische Annalen},
     pages = {99--110},
     publisher = {mathdoc},
     volume = {85},
     year = {1922},
     zbl = {48.0330.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1922__85_158909/}
}