Frieze, Alan, Wesley Pegden, Gregory B. Sorkin, and Tomasz Tkocz. “Minimum-Weight Combinatorial Structures Under Random Cost-Constraints”. The Electronic Journal of Combinatorics 28, no. 1 (January 29, 2021): P1.20. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v28i1p20.