@article{HohageSchmidtZschiedrich2003, author = {Thorsten Hohage and Frank Schmidt and Lin Zschiedrich}, title = {Solving Time-Harmonic Scattering Problems Based on the Pole Condition II: Convergence of the PML Method}, journal = {SIAM J. Math. Anal.}, volume = {35}, number = {3}, pages = {547 -- 560}, doi = {10.1137/S0036141002406485}, year = {2003}, }