@article{10_4064_fm_107_2_129_133,
     author = {J. Bourgain},
     title = {$F_\ensuremath{\sigma}\ensuremath{\delta}$-section of {Borel} sets},
     journal = {Fundamenta Mathematicae},
     pages = {129--133},
     publisher = {mathdoc},
     volume = {107},
     number = {2},
     year = {1980},
     doi = {10.4064/fm-107-2-129-133},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-107-2-129-133/}
}