%0 Journal Article %A A. I. Gol'berg %A V. A. Gurvich %T On the maximal number of edges for a graph with $n$ vertices in %J Doklady Akademii Nauk %D 1987 %P 27-32 %V 293 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_293_1_a4/ %G ru %F DAN_1987_293_1_a4