1.
Gerke S, Steger A. A Characterization for Sparse $\varepsilon$-Regular Pairs. Electron. J. Combin. [Internet]. 2007Jan.3 [cited 2026Mar.27];14(1):R4. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v14i1r4