%0 Journal Article
%A Yaroslav Shitov
%T Counterexamples to Hedetniemi’s conjecture
%J Annals of mathematics
%D 2019
%P 663-667
%V 190
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4007/annals.2019.190.2.6/
%R 10.4007/annals.2019.190.2.6
%G en
%F 10_4007_annals_2019_190_2_6