De Beule, Jan, Jozefien D’haeseleer, Ferdinand Ihringer, and Jonathan Mannaert. “Degree 2 Boolean Functions on Grassmann Graphs”. The Electronic Journal of Combinatorics 30, no. 1 (February 10, 2023): P1.31. Accessed April 5, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v30i1p31.