@article{GDZPPN002452863,
title = {On the Derivation of Expected Value and Variance of Ratios without the Use of Infinite Series Expansions.},
journal = {Metrika},
volume = {19},
year = {1972},
pages = {156-170},
zbl = {0252.62009},
url = {http://dml.mathdoc.fr/item/GDZPPN002452863}
}
Koop, J.C. On the Derivation of Expected Value and Variance of Ratios without the Use of Infinite Series Expansions.. Metrika, Tome 19 (1972) pp. 156-170. http://gdmltest.u-ga.fr/item/GDZPPN002452863/