“Harmonic vibration of cusped plates in the N-th approximation of Vekua”™s hierarchical models”, Arch. Mech. Test, vol. 65, no. 5, pp. 345–365, Sep. 2013, Accessed: Jun. 29, 2025. [Online]. Available: https://am3.ippt.pan.pl/index.php/am/article/view/v65p345