%0 Journal Article %A Chjan C. Lim %A Gregory K. Van Patten %T New Proofs of the Uniqueness of Extremal Noneven Digraphs %J Bulletin of the Malaysian Mathematical Society %D 2001 %V 24 %N 2 %U http://geodesic.mathdoc.fr/item/BMMS_2001_24_2_a3/ %F BMMS_2001_24_2_a3