%0 Journal Article %A F. L. Varpakhovskii %A O. Logvinenko %T On Maximal Perimeter of a Convex Pentagon with a Fixed Diameter %J Matematičeskoe obrazovanie %D 2010 %P 12-16 %V 53 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2010_53_1_a2/ %G ru %F MO_2010_53_1_a2