@article{10_4153_CMB_1975_006_7,
     author = {Dunham, Charles B.},
     title = {Chebyshev {Sets} in {C[0,1]} {Which} are not {Suns}},
     journal = {Canadian mathematical bulletin},
     pages = {35--37},
     year = {1975},
     volume = {18},
     number = {1},
     doi = {10.4153/CMB-1975-006-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1975-006-7/}
}