@article{PM_2006_2006_1_a10,
     author = {Kikuchi, Masato},
     title = {Algunas desigualdades de oscilaci\'on media para martingalas.},
     journal = {Publicacions matem\`atiques},
     pages = {167-189},
     year = {2006},
     volume = {50},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2006_2006_1_a10/}
}