@article{10_4064_cm_77_2_211_232,
     author = {Krzysztof Ciesielski and Dikran Dikrajan and Stephen Watson},
     title = {Functions characterized by images of sets},
     journal = {Colloquium Mathematicum},
     pages = {211--232},
     publisher = {mathdoc},
     volume = {77},
     number = {2},
     year = {1998},
     doi = {10.4064/cm-77-2-211-232},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-77-2-211-232/}
}