TY - JOUR AU - Barucq, Hélène AU - Faucher, Florian AU - Pham, Ha TI - Outgoing solutions and radiation boundary conditions for the ideal atmospheric scalar wave equation in helioseismology JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2020 SP - 1111 EP - 1138 VL - 54 IS - 4 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2019088/ DO - 10.1051/m2an/2019088 LA - en ID - M2AN_2020__54_4_1111_0 ER -