Talk:Errera graph

Kempe <-> Errera?
...until the work of Kempe, these counterexamples did not show that the whole coloring algorithm fails.

Why Kempe, if we at this place talk about Errera graph? May be ...until the work of Errera,...? Jumpow (talk) 13:13, 27 January 2019 (UTC)
 * Yes, I think that's just a mistake. Fixed. —David Eppstein (talk) 17:13, 27 January 2019 (UTC)