TY JOUR TI STUDY OF PHYSICO-CHEMICAL AND ANTI-WEAR PROPERTIES OF MOTOR OILS AT THE END OF OPERATION KW oil KW dynamic viscosity KW friction KW particles KW wear KW engine JO Transport engineering AU Shalygin, M.G. AU Vashchishin, S.P. AU Vashchishina, A.P. PY 2024 IS 2024 PB Bryansk State Technical University