LEONAITĖ, Gintarė; RIMAS, Jonas. Analytical investigation of the delay system with structural matrix having eigenvalues on the unit circle. Lietuvos matematikos rinkinys, [S. l.], v. 46, n. spec., p. 371–375, 2023. DOI: 10.15388/LMR.2006.30760. Disponível em: https://www.journals.vu.lt/LMR/article/view/30760.. Acesso em: 15 may. 2024.