Jinbo Liu, Zengrui Li, Mang He and Jianxun Su (2019) “An Effective Sparse Approximate Inverse Preconditioner for the MLFMA Solution of the Volume-Surface Integral Equation”, The Applied Computational Electromagnetics Society Journal (ACES), 34(08), pp. 1119–1127. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/8271 (Accessed: 13 May 2024).