%0 Journal Article %A S. A. Tishchenko %T The largest graphs of diameter $2$ and fixed Euler characteristics %J Fundamentalʹnaâ i prikladnaâ matematika %D 2001 %P 1203-1225 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2001_7_4_a13/ %G ru %F FPM_2001_7_4_a13