@article{DMGT_2022_42_1_a12,
     author = {Wang, Jing and Cai, Junliang and Lv, Shengxiang and Huang, Yuanqiu},
     title = {The {Crossing} {Number} of {Hexagonal} {Graph} {H\protect\textsubscript{3,n}} in the {Projective} {Plane}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {197--218},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2022_42_1_a12/}
}