%0 Journal Article %A Monika Pilśniak %T Nordhaus-Gaddum type inequalities for the distinguishing index %J Ars Mathematica Contemporanea %D 2021 %P 223-231 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.2173.71a/ %R 10.26493/1855-3974.2173.71a %G en %F 10_26493_1855_3974_2173_71a