@article{1177697749, author = {Root, D. H.}, title = {The Existence of Certain Stopping Times on Brownian Motion}, journal = {Ann. Math. Statist.}, volume = {40}, number = {6}, year = {1969}, pages = { 715-718}, language = {en}, url = {http://dml.mathdoc.fr/item/1177697749} }
Root, D. H. The Existence of Certain Stopping Times on Brownian Motion. Ann. Math. Statist., Tome 40 (1969) no. 6, pp. 715-718. http://gdmltest.u-ga.fr/item/1177697749/