Bilinear Fractional Integral Operators. Analysis in Theory and Applications, [S. l.], v. 42, n. 1, p. 32–61, 2026. DOI: 10.4208/ata.2025.deng90.06. Disponível em: https://global-sci.com/index.php/ata/article/view/23608. Acesso em: 27 feb. 2026.