@article{1177699142,
author = {Dubins, Lester E. and Freedman, David A.},
title = {On the Expected Value of a Stopped Martingale},
journal = {Ann. Math. Statist.},
volume = {37},
number = {6},
year = {1966},
pages = { 1505-1509},
language = {en},
url = {http://dml.mathdoc.fr/item/1177699142}
}
Dubins, Lester E.; Freedman, David A. On the Expected Value of a Stopped Martingale. Ann. Math. Statist., Tome 37 (1966) no. 6, pp. 1505-1509. http://gdmltest.u-ga.fr/item/1177699142/