G. PUNITHAVALLI, AND M. ANANDHKUMAR. Secondary k-Kernel Symmetric Intuitionistic Fuzzy Matrices. Mathematical Statistician and Engineering Applications, [S. l.], v. 71, n. 4, p. 3622–3633, 2022. DOI: 10.17762/msea.v71i4.921. Disponível em: https://philstat.org/index.php/MSEA/article/view/921. Acesso em: 4 jun. 2026.