@article{10_4064_fm_150_3_227_236,
     author = {Carlos E. Uzc\'ategui},
     title = {The \ensuremath{\sigma}-ideal of closed smooth sets does not have the covering property},
     journal = {Fundamenta Mathematicae},
     pages = {227--236},
     publisher = {mathdoc},
     volume = {150},
     number = {3},
     year = {1996},
     doi = {10.4064/fm-150-3-227-236},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-150-3-227-236/}
}