@article{AFM_2000_25_2_a10,
     author = {Marianna Cs\"ornyei},
     title = {On the visibility of invisible sets},
     journal = {Annales Fennici Mathematici},
     pages = {417--421},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2000_25_2_a10/}
}