EntityQ7178199· pop 5· linked from 9 articlesPetersen's theoremSign in to saveevery cubic bridgeless graph has a perfect matchingConnectionsplanar graphEntitymathematicsEntityInternational Standard Book NumberEntitydigital object identifierEntitygraph theoryEntitydata structureEntityJSTOROrganizationQ118398EntityrandomnessEntityLászló LovászEntityHamiltonian pathEntitybipartite graphEntityDénes KőnigEntityPetersen graphEntityJulius PetersenEntityMathematical ReviewsEntitypathEntityAnnals of MathematicsEntityActa MathematicaEntitydual graphEntityCategoriesMatching (graph theory)Theorems in graph theory