%0 Journal Article %A N. G. Moshchevitin %T Best simultaneous approximations: norms, signatures, and asymptotic directions %J Matematičeskie zametki %D 2000 %P 730-737 %V 67 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2000_67_5_a10/ %G ru %F MZM_2000_67_5_a10