TY - JOUR AU - Chaumont-Frelet, T. AU - Nicaise, S. TI - High-frequency behaviour of corner singularities in Helmholtz problems JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2018 SP - 1803 EP - 1845 VL - 52 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2018031/ DO - 10.1051/m2an/2018031 LA - en ID - M2AN_2018__52_5_1803_0 ER -