TY  - JOUR
AU  - Wolfgang Kühnel
TI  - Generalized Heawood numbers
JO  - The electronic journal of combinatorics
PY  - 2023
VL  - 30
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.37236/12104/
DO  - 10.37236/12104
ID  - 10_37236_12104
ER  -