@article{10_4064_fm_143_3_207_220,
     author = {J. Jayne and I. Namioka and C. Rogers},
     title = {Fragmentability and \ensuremath{\sigma}-fragmentability},
     journal = {Fundamenta Mathematicae},
     pages = {207--220},
     publisher = {mathdoc},
     volume = {143},
     number = {3},
     year = {1993},
     doi = {10.4064/fm-143-3-207-220},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-143-3-207-220/}
}