@article{MM2_1978__25_154575,
     author = {Victor Bangert},
     title = {\"Uber die {Approximation} von lokal konvexen {Mengen.}},
     journal = {Manuscripta mathematica},
     pages = {397--416},
     publisher = {mathdoc},
     volume = {25},
     year = {1978},
     zbl = {0392.53027},
     url = {http://geodesic.mathdoc.fr/item/MM2_1978__25_154575/}
}