WANJALA , Victor; NYONGESA , Abraham. Square-Metrically Equivalent Operators and their Closure under Unitary Equivalence. African Journal of Pure and Applied Sciences, Nairobi, Kenya, v. 5, n. 2, p. 29–32, 2024. DOI: 10.33886/ajpas.v5i2.566. Disponível em: https://journal.ku.ac.ke/index.php/AJPAS/article/view/566. Acesso em: 1 aug. 2026.