Liu, C., & Thomas, R. (2020). Robertson's conjecture I. Well-quasi-ordering bounded tree-width graphs by the topological minor relation.
Chicago Style (17th ed.) CitationLiu, Chun-Hung, and Robin Thomas. Robertson's Conjecture I. Well-quasi-ordering Bounded Tree-width Graphs by the Topological Minor Relation. 2020.
MLA (9th ed.) CitationLiu, Chun-Hung, and Robin Thomas. Robertson's Conjecture I. Well-quasi-ordering Bounded Tree-width Graphs by the Topological Minor Relation. 2020.
Warning: These citations may not always be 100% accurate.