@article{DMGT_2018_38_1_a18,
     author = {Li, Wei},
     title = {The {Graphs} {Whose} {Permanental} {Polynomials} {Are} {Symmetric}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {233--243},
     publisher = {mathdoc},
     volume = {38},
     number = {1},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2018_38_1_a18/}
}