Fujita, Shinya, Atsushi Kaneko, Ingo Schiermeyer, and Kazuhiro Suzuki. “A Rainbow $k$-Matching in the Complete Graph With $r$ Colors”. The Electronic Journal of Combinatorics 16, no. 1 (April 30, 2009): R51. Accessed March 16, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v16i1r51.