OROVČANEC, M. UNITARY EQUIVALENCE AND SIMILARITY OF ORDINARY SHIFTS ON OPERATOR VALUED WEIGHTED SEQUENCE SPACES. Matematichki Bilten, [S. l.], v. 25, n. 1, 2001. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1665. Acesso em: 13 jun. 2026.