Yanling, Fengnan, Zhao Wang, Chengfu Ye, and Shumin Zhang. “The Rainbow Vertex-Index of Complementary Graphs”. Journal of Algebra Combinatorics Discrete Structures and Applications 2, no. 3 (September 15, 2015): 157–161. Accessed October 3, 2026. https://jacodesmath.com/index.php/jacodesmath/article/view/19.