1.
Sixth-Order Compact Finite Difference Method for 2D Helmholtz Equations with Singular Sources and Reduced Pollution Effect. Commun. Comput. Phys. [Internet]. 2023 Oct. 7 [cited 2025 Dec. 6];34(3):672-71. Available from: https://global-sci.com/index.php/cicp/article/view/7201