%0 Journal Article %A S. F. Ermakov %A E. B. Shershnev %A Yu. V. Nikitjuk %A S. I. Sokolov %T Effect of the length of the fatty acid radical in cholesterol esters on the optical properties of liquid lubricating media %J Problemy fiziki, matematiki i tehniki %D 2019 %P 11-16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2019_4_a1/ %G ru %F PFMT_2019_4_a1