%0 Journal Article %A Long-Tu Yuan %A Xiao-Dong Zhang %T On the Erdős-Sós Conjecture for graphs on n = k + 4 vertices %J Ars Mathematica Contemporanea %D 2017 %P 49-61 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.905.cb4/ %R 10.26493/1855-3974.905.cb4 %G en %F 10_26493_1855_3974_905_cb4