1.
Arévalo AR, Montejano A, Roldán-Pensado E. Zero-Sum Squares in Bounded Discrepancy $\{-1,1\}$-Matrices. Electron. J. Combin. [Internet]. 2021Oct.22 [cited 2026Mar.29];28(4):P4.15. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v28i4p15