Jens Markus Melenk, S. Sauter. Convergence analysis for finite element discretizations of the Helmholtz equation with Dirichlet-to-Neumann boundary conditions. Math. Comput., 79(272):1871-1914, 2010. [doi]
@article{MelenkS10, title = {Convergence analysis for finite element discretizations of the Helmholtz equation with Dirichlet-to-Neumann boundary conditions}, author = {Jens Markus Melenk and S. Sauter}, year = {2010}, doi = {10.1090/S0025-5718-10-02362-8}, url = {http://dx.doi.org/10.1090/S0025-5718-10-02362-8}, tags = {analysis}, researchr = {https://researchr.org/publication/MelenkS10}, cites = {0}, citedby = {0}, journal = {Math. Comput.}, volume = {79}, number = {272}, pages = {1871-1914}, }