Laurent, Monique, Matteo Seminaroti, and Shin-ichi Tanigawa. “A Structural Characterization for Certifying Robinsonian Matrices”. The Electronic Journal of Combinatorics 24, no. 2 (May 5, 2017): P2.21. Accessed March 17, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v24i2p21.