%0 Journal Article %A Bachmayr, Markus %A Voulis, Igor %T An adaptive stochastic Galerkin method based on multilevel expansions of random fields: Convergence and optimality %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2022 %P 1955-1992 %V 56 %N 6 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/m2an/2022062/ %R 10.1051/m2an/2022062 %G en %F M2AN_2022__56_6_1955_0