“Optimal and Pressure-Independent $L^2$ Velocity Error Estimates for a Modified Crouzeix-Raviart Stokes Element With BDM Reconstructions”. Journal of Computational Mathematics 33, no. 2 (August 22, 2018): 191–208. Accessed December 6, 2025. https://global-sci.com/index.php/JCM/article/view/12192.