00723naa#a2200217#i#450# EN\\bibl\68643 20241125200618.1 2307-7476 20150625b2015####ek#y0engy0150####ca RUS RU PERSPECTIVE ANTIFRICTIONAL COVERING OF PISTONS OF INTERNAL COMBUSTION ENGINES ON THE BASIS OF NANO-POWDERS OF TUNGSTEN DICHALCOGENIDES Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2015 4 с. Journal article local Galyshev Yu V Shabanov A Yu Tolochko O V Breki A D Ivanovsky D K journals.igps.ru