TY - JOUR AU - Houston, Paul AU - Roggendorf, Sarah AU - van der Zee, Kristoffer G. TI - Gibbs phenomena for $L^q$-best approximation in finite element spaces JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2022 SP - 177 EP - 211 VL - 56 IS - 1 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/m2an/2021086/ DO - 10.1051/m2an/2021086 LA - en ID - M2AN_2022__56_1_177_0 ER -