TY - JOUR AU - Bachmayr, Markus AU - Cohen, Albert AU - DeVore, Ronald AU - Migliorati, Giovanni TI - Sparse polynomial approximation of parametric elliptic PDEs. Part II: lognormal coefficients JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2017 SP - 341 EP - 363 VL - 51 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org./articles/10.1051/m2an/2016051/ DO - 10.1051/m2an/2016051 LA - en ID - M2AN_2017__51_1_341_0 ER -