%0 Journal Article %A V. N. Salii %T The Sperner property for trees %J Prikladnaya Diskretnaya Matematika. Supplement %D 2015 %P 124-127 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDMA_2015_8_a46/ %G ru %F PDMA_2015_8_a46