TY  - JOUR
AU  - J.C. Koop
TI  - On the Derivation of Expected Value and Variance of Ratios without the Use of  Infinite Series Expansions.
JO  - Metrika
PY  - 1972
SP  - 156
EP  - 170
VL  - 19
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MET_1972__19_175544/
ID  - MET_1972__19_175544
ER  -