@article{10_4064_fm_107_2_149_159,
     author = {J. Bourgain},
     title = {Borel sets with $F_\ensuremath{\sigma}\ensuremath{\delta}$-section},
     journal = {Fundamenta Mathematicae},
     pages = {149--159},
     publisher = {mathdoc},
     volume = {107},
     number = {2},
     year = {1980},
     doi = {10.4064/fm-107-2-149-159},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-107-2-149-159/}
}