WSTAWSKA, Iwona Małgorzata, Krzysztof MAGNUCKI, and Piotr KĘDZIA. “Approximate Estimation of Stability of Homogeneous Beam on Elastic Foundation”. Engineering Transactions 67, no. 3 (September 30, 2019): 429–440. Accessed March 23, 2026. https://et.ippt.gov.pl/index.php/et/article/view/979.