Zhongying Chen, Tingting Wu, Hongqi Yang. An optimal 25-point finite difference scheme for the Helmholtz equation with PML. J. Computational Applied Mathematics, 236(6):1240-1258, 2011. [doi]
@article{ChenWY11-5,
title = {An optimal 25-point finite difference scheme for the Helmholtz equation with PML},
author = {Zhongying Chen and Tingting Wu and Hongqi Yang},
year = {2011},
doi = {10.1016/j.cam.2011.08.007},
url = {http://dx.doi.org/10.1016/j.cam.2011.08.007},
researchr = {https://researchr.org/publication/ChenWY11-5},
cites = {0},
citedby = {0},
journal = {J. Computational Applied Mathematics},
volume = {236},
number = {6},
pages = {1240-1258},
}