@article{10_37236_12168,
     author = {Jiaao Li and Xueliang Li and Zhiqian Wang},
     title = {Every signed planar graph of girth 5 has circular chromatic number strictly less than 4},
     journal = {The electronic journal of combinatorics},
     year = {2025},
     volume = {32},
     number = {2},
     doi = {10.37236/12168},
     zbl = {1564.05136},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/12168/}
}