%0 Journal Article %A O. N. Kosukhin %T A geometric criterion for the Hilbert property of a Banach space %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2008 %P 52-54 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2008_5_a9/ %G ru %F VMUMM_2008_5_a9