@article{SPS_1996__30__243_0,
     author = {Az\'ema, Jacques and Rainer, Catherine and Yor, Marc},
     title = {Une propri\'et\'e des martingales pures},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {243--254},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {30},
     year = {1996},
     mrnumber = {1459487},
     zbl = {0857.60076},
     language = {fr},
     url = {http://archive.numdam.org/item/SPS_1996__30__243_0/}
}