TY CONF TI COMPARATIVE ANALYSIS OF MOTOR OILS FOR INTERNAL COMBUSTION ENGINES KW systems analysis KW multi-criteria comparison method KW increasing engine life KW motor oils JO PHYSICAL BASIS OF SCIENCE-INTENSIVE TECHNOLOGIES IN THE MODERN WORLD AU Povaliukhin, D.V. AU Ivanov, D.A. AU Skrylnikov, N.V. AU Kamalova, N.S. AU Evsikova, N.Y. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov