00609naa#a2200181#i#450# EN\\bibl\8026 20241114135824.4 2308-8877 20151105b2015####ek#y0engy0150####ca RUS RU Mathematical modeling of epidemiological processes using delay differential equations Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 4 с. Journal article local Oleynik E. Goy T. naukaru.ru