@article{Barucq_M2AN_2018,
  author  = {H.~Barucq and J.~Chabassier and M.~Durufl\'e and L.~Gizon and M.~Legu\`ebe},
  title   = {Atmospheric radiation boundary conditions for the Helmholtz equation},
  journal = {ESAIM: M2AN},
  year    = 2018,
  volume  = 52,
  number  = 3,
  pages   = {945-964},
  DOI     = {10.1051/m2an/2017059},
  url     = {https://doi.org/10.1051/m2an/2017059},
}