Petrila, Titus. “An Improved CVBEM for Plane Hydrodynamics”. Anal. Numér. Théor. Approx. 16, no. 2 (August 1, 1987): 149–157. Accessed April 14, 2025. https://ictp.acad.ro/jnaat/journal/article/view/1987-vol16-no2-art8.