@article{MZ_1929__29_168082,
     author = {E. Landau},
     title = {\"Uber einen {Egerv\'aryschen} {Satz.}},
     journal = {Mathematische Zeitschrift},
     pages = {461--461},
     year = {1929},
     volume = {29},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1929__29_168082/}
}