@article{ELMA_1985__40_141362,
     author = {J.A. Wieacker and R. Schneider},
     title = {Einschliessung ebener {Kurven.}},
     journal = {Elemente der Mathematik},
     pages = {98--99},
     publisher = {mathdoc},
     volume = {40},
     year = {1985},
     zbl = {0575.52004},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1985__40_141362/}
}