@article{10_37236_10939,
     author = {Zhiyun Cheng and Ziyi Lei and Yitian Wang and Yanguo Zhang},
     title = {A categorification for the signed chromatic polynomial},
     journal = {The electronic journal of combinatorics},
     year = {2022},
     volume = {29},
     number = {2},
     doi = {10.37236/10939},
     zbl = {1492.05072},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/10939/}
}