%0 Journal Article %A Bachmayr, Markus %A Cohen, Albert %A DeVore, Ronald %A Migliorati, Giovanni %T Sparse polynomial approximation of parametric elliptic PDEs. Part II: lognormal coefficients %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2017 %P 341-363 %V 51 %N 1 %I EDP-Sciences %U http://www.numdam.org./articles/10.1051/m2an/2016051/ %R 10.1051/m2an/2016051 %G en %F M2AN_2017__51_1_341_0