%0 Journal Article %T DEVELOPMENT OF ASH-FREE EXTREME PRESSURE ADDITIVES %A Kornilova, O.P. %A Sholom, V.Y. %A Tyulenev, D.G. %A Kramer, O.L. %A Trofimov, A.S. %K lubricants, properties, ash-free additives, testing, import substitution %J Transport engineering %D 2023 %N 2023 %P 5 %I Bryansk State Technical University