Shapira A. An Exact Performance Bound for an ${O (m+n)}$ Time Greedy Matching Procedure. Electron. J. Combin. [Internet]. 1997Oct.15 [cited 2026Mar.27];4(1):R25. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v4i1r25