Perfectly matched layers for hyperbolic systems: General formulation, well-posedness, and stability
D. Appelö, T. Hagstrom and G. Kreiss. SIAM Journal on Applied Mathematics, 67(1):1-23, 2006.
D. Appelö, T. Hagstrom and G. Kreiss. SIAM Journal on Applied Mathematics, 67(1):1-23, 2006.