1.
De Bruyn B. On a Class of Hyperplanes of the Symplectic and Hermitian Dual Polar Spaces. Electron. J. Combin. [Internet]. 2009Jan.7 [cited 2026Mar.16];16(1):R1. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v16i1r1