%0 Journal Article %A You Lu %A Rong Luo %A Zhengke Miao %A Cun-Quan Zhang %T Signed circuit \(6\)-covers of signed \(K_4\)-minor-free graphs %J The electronic journal of combinatorics %D 2025 %V 32 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/12572/ %R 10.37236/12572 %F 10_37236_12572