HABIBI VOSTA KOLAEI, M. J.; AZAMI, S. Conformal bounds for the first eigenvalue of the $\left(p,q\right)$-Laplacian system. Tamkang Journal of Mathematics, [S. l.], v. 55, n. 4, p. 371–389, 2024. DOI: 10.5556/j.tkjm.55.2024.5188. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/5188. Acesso em: 2 dec. 2024.