Li S, Yuan H, Yang X, Zhang H, Peng Q. R-function Theory for Bending Problem of Shallow Spherical Shells with Polygonal Boundary. Civ Eng J [Internet]. 2020 Mar. 1 [cited 2025 Jul. 1];6(3):512-2. Available from: https://civilejournal.org/index.php/cej/article/view/1988