KACZOREK, Tadeusz. Eigenvalues assignment in uncontrollable linear systems. Bulletin of the Polish Academy of Sciences Technical Sciences, [S. l.], v. 70, n. 6, p. e141987, 2022. DOI: 10.24425/bpasts.2022.141987. Disponível em: https://wydawnictwo.pan.pl/index.php/bpasts/article/view/6526. Acesso em: 14 oct. 2026.