BACIU, Marius Alin, Alina Paula APOSTU, Radu-Tiberiu ȘERBAN, and Andrei-Cătălin BRISC. 2026. “Mathematical Equations Associated With Spline Interpolation for Determining and Analyzing Tennis Shots Trajectory and Velocity”. Studia Universitatis Babeş-Bolyai Educatio Artis Gymnasticae 71 (1):129-36. https://studia.reviste.ubbcluj.ro/index.php/subbeducatio/article/view/10215.