@article{SPS_1979__13__307_0,
     author = {Izumisawa, Masataka and Sekiguchi, T.},
     title = {Weighted norm inequalities for martingales},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {307--312},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {13},
     year = {1979},
     mrnumber = {544803},
     zbl = {0418.60047},
     language = {en},
     url = {http://www.numdam.org/item/SPS_1979__13__307_0/}
}