Conde J, Gimbert J, Gonzàlez J, Miret JM, Moreno R. Nonexistence of Almost Moore Digraphs of Diameter Three. Electron. J. Combin. [Internet]. 2008Jun.30 [cited 2026Mar.15];15(1):R87. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v15i1r87