%0 Journal Article %A Monika Pilśniak %T Improving upper bounds for the distinguishing index %J Ars Mathematica Contemporanea %D 2017 %P 259-274 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.981.ff0/ %R 10.26493/1855-3974.981.ff0 %G en %F 10_26493_1855_3974_981_ff0