Krowiak A. The application of the differential quadrature method based on a piecewise polynomial to the vibration analysis of geometrically nonlinear beams. CAMES [Internet]. 2022 Aug. 11 [cited 2025 Jan. 12];15(1):1-13. Available from: https://cames3.ippt.pan.pl/index.php/cames/article/view/774