TY - JOUR AU - You Lu AU - Rong Luo AU - Zhengke Miao AU - Cun-Quan Zhang TI - Signed circuit \(6\)-covers of signed \(K_4\)-minor-free graphs JO - The electronic journal of combinatorics PY - 2025 VL - 32 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.37236/12572/ DO - 10.37236/12572 ID - 10_37236_12572 ER -