Kapustyan, Oleksiy, Anna Sukretna, Dmytro Kapustian, and Myrzagali Ospanov. 2026. “Stability of Infection-Free Almost Periodic Solution in Impulsive SEIR-Model”. Bulletin of Taras Shevchenko National University of Kyiv. Physics and Mathematics 82 (1): 130-35. https://doi.org/10.17721/1812-5409.2026/1.17.