@article{10_4064_fm_123_2_91_107,
     author = {Zofia Adamowicz},
     title = {Continuous relations and generalized $G_\ensuremath{\delta}$ sets},
     journal = {Fundamenta Mathematicae},
     pages = {91--107},
     publisher = {mathdoc},
     volume = {123},
     number = {2},
     year = {1984},
     doi = {10.4064/fm-123-2-91-107},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-123-2-91-107/}
}