Stability Theorems for a Mathematical Model SI with Vital Dynamics Structured by Sex for the Infection Free Steady developed by the Ordinary Differential Equations and the Delay Differential Equations respectively. Sel.Mat. [Internet]. 2017 Dec. 15 [cited 2026 Jul. 18];4(02):202-10. Available from: https://revistas.unitru.edu.pe/index.php/SSMM/article/view/1625