1.
Faro GL, Milazzo L, Tripodi A. On the Upper and Lower Chromatic Numbers of BSQSs(16). Electron. J. Combin. [Internet]. 2000Oct.20 [cited 2026Mar.27];8(1):R6. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v8i1r6