Hu, X. ., Chen, R. ., Ding, D. ., Fan, Z. . and Xu, Y. . (2022) “Two-Step Preconditioner of Multilevel Simple Sparse Method for Electromagnetic Scattering Problems”, Applied Computational Electromagnetics Society Journal (ACES), 27(1), pp. 9–21. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/15095 (Accessed: 13 May 2026).