BORUGA (TOMA), Rovana; MEGAN, Mihail. Datko criteria for uniform instability in Banach spaces. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 66, n. 1, p. 115–122, 2021. DOI: 10.24193/subbmath.2021.1.10. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1265. Acesso em: 5 feb. 2025.