LAARABI, Hassan; LABRIJI, El Houssine Houssine; RACHIK, Mostafa; KADDAR, Abdelilah. Optimal control of an epidemic model with a saturated incidence rate. Nonlinear Analysis: Modelling and Control, [S. l.], v. 17, n. 4, p. 448–459, 2012. DOI: 10.15388/NA.17.4.14050. Disponível em: https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/14050. Acesso em: 6 apr. 2025.