Z. N. . Jiang, R. S. . Chen, Z. H. . Fan, S. G. . Shen, and X. Q. . Hu, “Efficient Multilevel Compressed Block Decomposition for Large-Scale Electromagnetic Problems using Asymptotic Phasefront Extraction”, ACES Journal, vol. 26, no. 11, pp. 876–885, May 2022.