(Q1443782)
Statements
2
0 references
2
0 references
Identifiers
Sitelinks
Wikipedia(5 entries)
- dewiki Moser-Spindel
- enwiki Moser spindle
- frwiki Graphe de Moser
- ruwiki Веретено Мозера
- ukwiki Веретено Мозера
undirected unit-distance graph requiring four colors