@article{MAN_1974__212_182737,
     author = {B. Brosowski and F. Deutsch and J. Lambert and P.D. Morris},
     title = {Chebychev {Sets} which are not {Suns.}},
     journal = {Mathematische Annalen},
     pages = {89--102},
     publisher = {mathdoc},
     volume = {212},
     year = {1974},
     zbl = {0278.41030},
     url = {http://geodesic.mathdoc.fr/item/MAN_1974__212_182737/}
}