@article{TUW-257993, author = {Geiersbach, Caroline and Heitzinger, Clemens and Tulzer, Gerhard}, title = {{O}ptimal approximation of the first-order corrector in multiscale stochastic elliptic {P}{D}{E}}, journal = {{S}{I}{A}{M}/{A}{S}{A} {J}ournal on {U}ncertainty {Q}uantification}, year = {2016}, volume = {4}, number = {1}, pages = {1246--1262}, doi = {10.1137/16M106011X} }