TY  - JOUR
AU  - Jiaao Li
AU  - Xueliang Li
AU  - Zhiqian Wang
TI  - Every signed planar graph of girth 5 has circular chromatic number strictly less than 4
JO  - The electronic journal of combinatorics
PY  - 2025
VL  - 32
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.37236/12168/
DO  - 10.37236/12168
ID  - 10_37236_12168
ER  -