Joó, Attila. “Countable Menger’s Theorem With Finitary Matroid Constraints on the Ingoing Edges”. The Electronic Journal of Combinatorics 25, no. 3 (July 27, 2018): P3.12. Accessed March 28, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v25i3p12.