KACZOREK, Tadeusz. Invariant properties of positive linear systems with integer and fractional orders. Archives of Control Sciences, [S. l.], v. 36, n. 1, p. 181–194, 2026. DOI: 10.24425/acs.2026.158426. Disponível em: https://wydawnictwo.pan.pl/index.php/acs/article/view/7554. Acesso em: 18 oct. 2026.