@article{ELMA_1948__3_140472,
     author = {Ernst Trost},
     title = {Zur {Fadenkonstruktion} von {Graves.}},
     journal = {Elemente der Mathematik},
     pages = {6--8},
     publisher = {mathdoc},
     volume = {3},
     year = {1948},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1948__3_140472/}
}