00573naa#a2200169#i#450# EN\\bibl\2821 20241103071806.7 2308-8877 20140616b2014####ek#y0engy0150####ca RUS RU Problems of modelling and analysis in singularly perturbed systems dynamics Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2014 6 с. Journal article local Kuzmina L. zh-szf.ru