TY  - JOUR
AU  - Yiting Jiang
AU  - Xuding Zhu
TI  - \(4\)-colouring of generalized signed planar graphs
JO  - The electronic journal of combinatorics
PY  - 2020
VL  - 27
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.37236/9338/
DO  - 10.37236/9338
ID  - 10_37236_9338
ER  -