[1]
E. Stein, “Milestones of Direct Variational Calculus and its Analysis from the 17th Century until today and beyond – Mathematics meets Mechanics – with restriction to linear elasticity”, Comp. Assist. Methods Eng. Sci., vol. 19, no. 1, pp. 7–91, Jan. 2017, Accessed: Jun. 21, 2025. [Online]. Available: https://cames.ippt.pan.pl/index.php/cames/article/view/100