Absolute Retractivity of Some Sets to Two-Variables Multifunctions. Analysis in Theory and Applications, [S. l.], v. 28, n. 1, p. 73–78, 2012. DOI: 10.4208/ata.2012.v28.n1.9. Disponível em: https://gsp.tricubic.dev/ata/article/view/7936. Acesso em: 16 mar. 2026.