@article{10_37236_12104,
     author = {Wolfgang K\"uhnel},
     title = {Generalized {Heawood} numbers},
     journal = {The electronic journal of combinatorics},
     year = {2023},
     volume = {30},
     number = {4},
     doi = {10.37236/12104},
     zbl = {1532.05067},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/12104/}
}