OKELO, Benard; ONGATI, Omolo; KARIEKO, Obogi Robert. NORM INEQUALITIES OF NORM-ATTAINABLE OPERATORS AND THEIR ORTHOGONAL EXTENSIONS. Journal of Global Research in Mathematical Archives(JGRMA), [S. l.], v. 2, n. 5, p. 01–09, 2015. Disponível em: https://jgrma.com/index.php/jgrma/article/view/174. Acesso em: 29 apr. 2025.