@article{MZ_1982__181_173239,
     author = {Ralph St\"ocker},
     title = {On a {Theorem} of {Barden.}},
     journal = {Mathematische Zeitschrift},
     pages = {365--372},
     publisher = {mathdoc},
     volume = {181},
     year = {1982},
     zbl = {0515.57011},
     url = {http://geodesic.mathdoc.fr/item/MZ_1982__181_173239/}
}