SAFI, Mohammad A. MATHEMATICAL ANALYSIS OF AN AGE-STRUCTURED QUARANTINE/ISOLATION MODEL. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 39, p. 220–242, 2018. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6934. Acesso em: 7 oct. 2026.