TY  - RPRT
TI  - Ensemble approximate control variate estimators: Applications to multi-fidelity importance sampling.
AU  - Pham, Trung
AU  - Gorodetsky, Alex
PY  - 2022
DO  - 10.1137/21m1390426
UR  - https://www.osti.gov/biblio/1894597
ID  - 1894597
ER  -