00557naa#a2200169#i#450# EN\\bibl\4187 20240907095215.6 2308-8877 20141113b2014####ek#y0engy0150####ca RUS RU On the correctness of a different-order mathematical model Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 2 с. Journal article local Golovko N. naukaru.ru