@article{CMUC_1980__21_3_a10,
     author = {Frol{\'\i}k, Zden\v{e}k},
     title = {Luzin sets are additive},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {527--533},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {1980},
     mrnumber = {590132},
     zbl = {0437.28001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1980__21_3_a10/}
}