@article{HiptmairSchaedle2003, author = {Ralf Hiptmair and Achim Sch{\"a}dle}, title = {Non-reflecting boundary conditions for Maxwell's equations}, journal = {Computing}, volume = {71}, number = {3}, url = {http://dx.doi.org/10.1007/s00607-003-0026-2}, year = {2003}, }