%0 Journal Article %A D. L. Belotserkovskii %T Characterization of some extremal graphs with a diameter at most three %J Diskretnaya Matematika %D 1997 %P 134-146 %V 9 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1997_9_1_a10/ %G ru %F DM_1997_9_1_a10