@article{1177731235, author = {Wald, Abraham}, title = {On Cumulative Sums of Random Variables}, journal = {Ann. Math. Statist.}, volume = {15}, number = {4}, year = {1944}, pages = { 283-296}, language = {en}, url = {http://dml.mathdoc.fr/item/1177731235} }
Wald, Abraham. On Cumulative Sums of Random Variables. Ann. Math. Statist., Tome 15 (1944) no. 4, pp. 283-296. http://gdmltest.u-ga.fr/item/1177731235/