@article{MAN_1932__106_159562,
     author = {F.K. Schmidt},
     title = {\"Uber die {Dichte} metrischer {R\"aume}},
     journal = {Mathematische Annalen},
     pages = {CDLVII--CDLXXII},
     publisher = {mathdoc},
     volume = {106},
     year = {1932},
     zbl = {58.1206.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1932__106_159562/}
}