@article{10_4064_fm_43_1_77_82,
     author = {L. Gillman},
     title = {Some remarks on $\ensuremath{\eta}_\ensuremath{\alpha}$-sets},
     journal = {Fundamenta Mathematicae},
     pages = {77--82},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1956},
     doi = {10.4064/fm-43-1-77-82},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-43-1-77-82/}
}