%0 Journal Article %A V. A. Koshcheev %T Chebyshev systems of continuous functions with values in two-dimensional strictly convex normed space %J Matematičeskie zametki %D 1983 %P 365-383 %V 33 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1983_33_3_a4/ %G ru %F MZM_1983_33_3_a4