LASTIVKA, I.O. Variational inference of differential equations of vibrations of piezoceramic shell with meridional polarization. Carpathian Mathematical Publications, [S. l.], v. 6, n. 1, p. 68–72, 2014. DOI: 10.15330/cmp.6.1.68-72. Disponível em: https://scijournals.pnu.edu.ua/index.php/cmp/article/view/1336. Acesso em: 29 may. 2024.