@misc{ZschiedrichKloseSchaedleetal.2006, author = {Lin Zschiedrich and Roland Klose and Achim Sch{\"a}dle and Frank Schmidt}, title = {A New Finite Element Realization of the Perfectly Matched Layer Method for Helmholtz Scattering Problems on Polygonal Domains in 2D}, type = {preprintmatheon}, year = {2006}, }