[1]
“$P_1$-Nonconforming Quadrilateral Finite Volume Element Method and Its Cascadic Multigrid Algorithm for Elliptic Problems”, JCM, vol. 24, no. 1, pp. 59–80, Aug. 2018, Accessed: Mar. 15, 2026. [Online]. Available: https://gsp.tricubic.dev/JCM/article/view/11745