“MATHEMATICAL MODEL OF THE EPIDEMIC PROPAGATION WITH LIMITED TIME SPENT IN EXPOSED AND INFECTED COMPARTMENTS”. ҚазҰУ Хабаршысы. Математика, механика, информатика сериясы, vol. 112, no. 4, Dec. 2021, https://doi.org/10.26577/JMMCS.2021.v112.i4.14.