R. W. Ziolkowski, "The design of maxwellian absorbers for numerical boundary conditions and for practical applications using engineered artificial materials," IEEE Trans. A.P., vol. 45, no. 4, pp. 656-671, 1997.
J. Berenger, "A perfectly matched layer for the absorption of electromagnetic waves," J. of Computational Physics, vol. 114, no. 1, pp. 185-200, 1994.
C. M. Rappaport, "Interpreting and improving the PML absorbing boundary condition using anisotropic lossy mapping of space," IEEE Trans. Magn., vol. 32, no. 3, pp. 968-974, 1996.
F. Gardiol, Traité d'électricité, Hyperfréquences vol. XIII. Éditions Georgi, 1981.
F. L. Teixeira and W. C. Chew, "Systematic derivation of anisotropic PML absorbing media in cylindrical and spherical coordinates," IEEE Microwave and Guided Wave Letters, vol. 7, no. 11, pp. 371-373, 1997.
M. Kuzuoglu and R. Mittra, "Investigation of nonplanar perfectly matched absorbers for finite-element mesh truncation," IEEE Trans. A.P., vol. 45, no. 3, pp. 474-486, 1997.
