@article{1177706377, author = {Ekman, Gunnar}, title = {An Approximation Useful in Univariate Stratification}, journal = {Ann. Math. Statist.}, volume = {30}, number = {4}, year = {1959}, pages = { 219-229}, language = {en}, url = {http://dml.mathdoc.fr/item/1177706377} }
Ekman, Gunnar. An Approximation Useful in Univariate Stratification. Ann. Math. Statist., Tome 30 (1959) no. 4, pp. 219-229. http://gdmltest.u-ga.fr/item/1177706377/