%0 Journal Article %A S. V. Yushmanov %T A simple relationship between the diameter and the radius of a graph %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1988 %P 58-60 %N 4 %U http://geodesic.mathdoc.fr/item/VMUMM_1988_4_a12/ %G ru %F VMUMM_1988_4_a12