@article{MAN_1976__219_182763,
     author = {Andrei Duma},
     title = {Einige {Bemerkungen} zum {Weierstra{\ss}schen} {L\"uckensatz.}},
     journal = {Mathematische Annalen},
     pages = {139--146},
     publisher = {mathdoc},
     volume = {219},
     year = {1976},
     zbl = {0342.30008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1976__219_182763/}
}