@article{MAN_1960__140_160774,
     author = {H. K\"unneth},
     title = {Dualisierbare {Kurven} im {Rn.}},
     journal = {Mathematische Annalen},
     pages = {198--226},
     publisher = {mathdoc},
     volume = {140},
     year = {1960},
     url = {http://geodesic.mathdoc.fr/item/MAN_1960__140_160774/}
}