%0 Journal Article
%A Florent  Foucaud
%A Reza Naserasr
%A Rongxing  Xu
%T Extended double covers and homomorphism bounds of signed graphs
%J The electronic journal of combinatorics
%D 2023
%V 30
%N 3
%U http://geodesic.mathdoc.fr/articles/10.37236/10754/
%R 10.37236/10754
%F 10_37236_10754