@article{10_4153_CJM_2009_015_x,
     author = {Dawson, Robert J. MacG. and Moszy\'nska, Maria},
     title = {\v{C}eby\v{s}ev {Sets} in {Hyperspaces} over {Rn}},
     journal = {Canadian journal of mathematics},
     pages = {299--314},
     year = {2009},
     volume = {61},
     number = {2},
     doi = {10.4153/CJM-2009-015-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2009-015-x/}
}