EntityQ1424481· pop 5· linked from 17 articlesFrucht's theoremSign in to savetheoremConnectionsgraphEntityLeipzigEntitydigital object identifierEntityInternational Standard Serial NumberEntityQ118398Entityaxiom of choiceEntityCamille JordanEntitytreeEntityLászló LovászEntitygraph coloringEntityplanar graphEntityuncountable setEntitycyclic groupEntitypartially ordered setEntitygroup actionEntityregular graphEntitysymmetric groupEntityHandle SystemEntityDénes KőnigEntityRonald GrahamEntityCategoriesAlgebraic graph theoryTheorems in graph theory