TY  - JOUR
AU  - Sonsino, Doron
TI  - A lemma on proximity of variances and expectations
JO  - ESAIM: Probability and Statistics
PY  - 2000
SP  - 229
EP  - 231
VL  - 4
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/PS_2000__4__229_0/
LA  - en
ID  - PS_2000__4__229_0
ER  -