Cherkashin, Danila, and Pavel Prozorov. “On the Minimal Sum of Edges in a Signed Edge-Dominated Graph”. The Electronic Journal of Combinatorics 29, no. 3 (August 12, 2022): #P3.38. Accessed May 15, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v29i3p38.