@article{1255632320,
author = {Dubins, Lester E.},
title = {Rises and upcrossings of nonnegative martingales},
journal = {Illinois J. Math.},
volume = {6},
number = {1},
year = {1962},
pages = { 226-241},
language = {en},
url = {http://dml.mathdoc.fr/item/1255632320}
}
Dubins, Lester E. Rises and upcrossings of nonnegative martingales. Illinois J. Math., Tome 6 (1962) no. 1, pp. 226-241. http://gdmltest.u-ga.fr/item/1255632320/