I. Georgiev and S. Margenov, “DD-MIC(O) preconditioning of rotated trilinear FEM elasticity systems”, Comp. Assist. Methods Eng. Sci., vol. 11, no. 2-3, pp. 197–209, Jan. 2023, Accessed: Jun. 22, 2025. [Online]. Available: https://cames.ippt.pan.pl/index.php/cames/article/view/1034