00610naa#a2200193#i#450# EN\\bibl\2809 20251216094615.2 2308-8877 20140616b2014####ek#y0engy0150####ca RUS RU On fractional differential variational inequalities 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 Nguyen Van Tran Dinh Obukhovskiy V. zh-szf.ru