%0 Journal Article %A V. A. Medvedev %T Refutation of a theorem of Diliberto and Straus %J Matematičeskie zametki %D 1992 %P 78-80 %V 51 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1992_51_4_a8/ %G ru %F MZM_1992_51_4_a8