Aharoni, Ron, Joseph Briggs, Minho Cho, and Jinha Kim. “Cooperative Conditions for the Existence of Rainbow Matchings”. The Electronic Journal of Combinatorics 29, no. 1 (January 28, 2022): P1.23. Accessed March 29, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v29i1p23.