@article{1250128414,
author = {Helms, Lester L. and Loeb, Peter A.},
title = {A nonstandard proof of the Martingale convergence theorem},
journal = {Rocky Mountain J. Math.},
volume = {12},
number = {4},
year = {1982},
pages = { 165-170},
language = {en},
url = {http://dml.mathdoc.fr/item/1250128414}
}
Helms, Lester L.; Loeb, Peter A. A nonstandard proof of the Martingale convergence theorem. Rocky Mountain J. Math., Tome 12 (1982) no. 4, pp. 165-170. http://gdmltest.u-ga.fr/item/1250128414/