Nakajima, Kengo, and Yannis Kallinderis. “A Finite Element Method for the Incompressible Navier-Stokes Equations With Adaptive Hybrid Grids”. Computer Assisted Methods in Engineering and Science 1, no. 3-4 (December 31, 1994): 123–146. Accessed March 5, 2026. https://cames.ippt.gov.pl/index.php/cames/article/view/1516.