@article{SPS_1985__19__275_0,
     author = {Kazamaki, Norihiko},
     title = {A counterexample related to $A_p$-weights in martingale theory},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {275--277},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {19},
     year = {1985},
     mrnumber = {889487},
     zbl = {0561.60055},
     language = {en},
     url = {http://www.numdam.org/item/SPS_1985__19__275_0/}
}