%0 Journal Article
%A Edita Máčajová
%A André Raspaud
%A Martin Škoviera
%T The chromatic number of a signed graph
%J The electronic journal of combinatorics
%D 2016
%V 23
%N 1
%U http://geodesic.mathdoc.fr/articles/10.37236/4938/
%R 10.37236/4938
%F 10_37236_4938