@article{CMJ_2009__59_3_a7,
     author = {Han\v{c}l, Jaroslav and \v{S}ustek, Jan},
     title = {Boundedly expressible sets},
     journal = {Czechoslovak Mathematical Journal},
     pages = {649--654},
     publisher = {mathdoc},
     volume = {59},
     number = {3},
     year = {2009},
     mrnumber = {2545647},
     zbl = {1207.11080},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2009__59_3_a7/}
}