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@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}, pages = {27--33}, publisher = {Springer - Lecture Notes in Mathematics}, volume = {11}, year = {1977}, mrnumber = {445620}, zbl = {0376.60080}, language = {en}, url = {http://geodesic.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://geodesic.mathdoc.fr/item/SPS_1977__11__27_0/