@article{SPS_1989__23__275_0,
     author = {Barlow, Martin T. and Pitman, Jim and Yor, Marc},
     title = {On {Walsh's} brownian motions},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {275--293},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {23},
     year = {1989},
     mrnumber = {1022917},
     zbl = {0747.60072},
     language = {fr},
     url = {http://www.numdam.org/item/SPS_1989__23__275_0/}
}