BORUGA (TOMA) R, MEGAN M. Datko criteria for uniform instability in Banach spaces. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2021 Mar. 30 [cited 2025 Feb. 10];66(1):115-22. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1265