WU, J. UNIFIED TREATMENT OF LOCAL THEORY OF NFDES WITH INFINITE DELAY. Tamkang Journal of Mathematics, [S. l.], v. 22, n. 1, p. 51–72, 1991. DOI: 10.5556/j.tkjm.22.1991.4569. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4569. Acesso em: 5 oct. 2022.