%0 Journal Article %A Dubins, Lester E. %A Émery, Michel %A Yor, Marc %T A continuous martingale in the plane that may spiral away to infinity %J Séminaire de probabilités de Strasbourg %D 1991 %P 284-290 %V 25 %I Springer - Lecture Notes in Mathematics %U http://www.numdam.org/item/SPS_1991__25__284_0/ %G fr %F SPS_1991__25__284_0