TY JOUR TI INFLUENCE OF OLEIC ACID FOR AUTOTRACTOR DIESEL FUEL TRIBOLOGICAL PROPERTIES KW biocomponent KW fatty acid KW acid KW oleic acid KW additive KW anti-wear JO Bulletin Samara State Agricultural Academy AU Bychenin, A.P. AU Volod’ko, O.S. AU Erzamaev, M.P. AU Sazonov, D.S. PY 2017 IS 2 PB Samara State Agricultural Academy