@article{RMI_1985_1985_1_a6,
     author = {Rubio de Francia, Jos\'e L.},
     title = {Una desigualdad {Littlewood-Paley} para intervalos arbitrarios.},
     journal = {Revista matem\'atica iberoamericana},
     pages = {1-14},
     publisher = {mathdoc},
     volume = {1},
     number = {2},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_1985_1985_1_a6/}
}