@article{10_37236_8226,
     author = {Xiangyu Ren and Jianguo Qian},
     title = {Flow polynomials of a signed graph},
     journal = {The electronic journal of combinatorics},
     year = {2019},
     volume = {26},
     number = {3},
     doi = {10.37236/8226},
     zbl = {1419.05095},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/8226/}
}