00580naa#a2200169#i#450# EN\\bibl\8347 20260323233506.1 2308-8877 20151210b2015####ek#y0engy0150####ca RUS RU The differential equation for the integrated assessment of complex systems 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 Zvyagintseva Anna naukaru.ru