On estimates for the discrete eigenvalues of two-dimensional quantum waveguides. Gulf Journal of Mathematics, [S. l.], v. 20, n. 1, p. 161–175, 2025. DOI: 10.56947/gjom.v20i.2935. Disponível em: https://gjom.org/index.php/gjom/article/view/2935. Acesso em: 24 aug. 2026.