@article{SPS_1977__11__27_0,
author = {Chung, Kai Lai},
title = {Pedagogic notes on the barrier theorem},
journal = {S\'eminaire de probabilit\'es de Strasbourg},
volume = {11},
year = {1977},
pages = {27-33},
mrnumber = {445620},
zbl = {0376.60080},
language = {en},
url = {http://dml.mathdoc.fr/item/SPS_1977__11__27_0}
}
Chung, Kai Lai. Pedagogic notes on the barrier theorem. Séminaire de probabilités de Strasbourg, Tome 11 (1977) pp. 27-33. http://gdmltest.u-ga.fr/item/SPS_1977__11__27_0/