00632naa#a2200181#i#450# EN\\bibl\8028 20250416191802.3 2308-8877 20151105b2015####ek#y0engy0150####ca RUS RU Construction and research of root surface characteristic equation of the automatic control system Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2015 3 с. Journal article local Tabolin I. Vasilev E. anni.editorum.ru