@article{1177731830,
author = {Norris, Nilan},
title = {The Standard Errors of the Geometric and Harmonic Means and Their Application to Index Numbers},
journal = {Ann. Math. Statist.},
volume = {11},
number = {4},
year = {1940},
pages = { 445-448},
language = {en},
url = {http://dml.mathdoc.fr/item/1177731830}
}
Norris, Nilan. The Standard Errors of the Geometric and Harmonic Means and Their Application to Index Numbers. Ann. Math. Statist., Tome 11 (1940) no. 4, pp. 445-448. http://gdmltest.u-ga.fr/item/1177731830/