@article{10_4064_fm172_2_2,
     author = {Vitalij A. Chatyrko and Yasunao Hattori},
     title = {On a question of de {Groot} and {Nishiura}},
     journal = {Fundamenta Mathematicae},
     pages = {107--115},
     publisher = {mathdoc},
     volume = {172},
     number = {2},
     year = {2002},
     doi = {10.4064/fm172-2-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm172-2-2/}
}