@article{SPS_1989__23__315_0,
     author = {Donati-Martin, C. and Yor, Marc},
     title = {Mouvement brownien et in\'egalit\'e de {Hardy} dans $L^2$},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {315--323},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {23},
     year = {1989},
     mrnumber = {1022919},
     zbl = {0739.60073},
     language = {fr},
     url = {http://www.numdam.org/item/SPS_1989__23__315_0/}
}