@article{SPS_1989__23__88_0,
     author = {Az\'ema, Jacques and Yor, Marc},
     title = {\'Etude d'une martingale remarquable},
     journal = {S\'eminaire de probabilit\'es},
     pages = {88--130},
     year = {1989},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {23},
     zbl = {0743.60045},
     language = {en},
     url = {https://www.numdam.org/item/SPS_1989__23__88_0/}
}