TY JOUR TI THE FORMALIZATION OF VARIATIONAL PROBLEM MODELING IN THE CURRENT DISTRIBUTION IN THE SAFE OPERATION OF HYDRAULIC SYSTEMS KW mathematical modeling KW hydraulics KW flow distribution KW variational principles KW safety. JO Modeling of systems and processes AU Mezentsev, A.. AU Sazonova, S.. PY 2016 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov