@article{PM_1990_1990_1_a9,
     author = {Thomas, Pascal J.},
     title = {Subconjuntos de conjuntos de {clase-Hardy} cero en la bola.},
     journal = {Publicacions matem\`atiques},
     pages = {135-144},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1990_1990_1_a9/}
}