00658naa#a2200181#i#450# EN\\bibl\11787 20241116090202.6 2219-0767 20160511b2016####ek#y0engy0150####ca RUS RU THE FORMALIZATION OF VARIATIONAL PROBLEM MODELING IN THE CURRENT DISTRIBUTION IN THE SAFE OPERATION OF HYDRAULIC SYSTEMS Journal article Voronezh FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov 2016 3 с. Journal article local Mezentsev A. Sazonova Svetlana naukaru.ru