@article{PM_2006_2006_1_a22,
     author = {Walsh, David},
     title = {Variaci\'on radial de funciones en espacios de {Besov.}},
     journal = {Publicacions matem\`atiques},
     pages = {371-399},
     publisher = {mathdoc},
     volume = {50},
     number = {2},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2006_2006_1_a22/}
}