Molchanov IN, Galba EF. Variational statements of a statical problem of the elasticity theory under the preset external forces. Ukr. Mat. Zhurn. [Internet]. 2025 Jun. 30 [cited 2026 Feb. 17];43(2):158-61. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/9350