@article{Mascotto-Melenk-Perugia-Rieder:2020,
author = {Mascotto, L. and Melenk J. M. and Perugia, I. and Rieder, A.},
title = {{FEM-BEM} mortar coupling for the {H}elmholtz equation in three dimensions},
journal={Comput. Math. Appl.},
volume={80},
number={11},
pages={2351--2378},
year={2020},
publisher={Elsevier}
}