1.
Lu Y, Luo R, Miao Z, Zhang C-Q. Signed Circuit $6$-Covers of Signed $K_4$-Minor-Free Graphs. Electron. J. Combin. [Internet]. 2025Apr.11 [cited 2026May29];32(2):#P2.5. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v32i2p5