%0 Journal Article %A O. R. Musin %T Chebyshev Systems and Zeros of a~Function on a~Convex Curve %J Informatics and Automation %D 1998 %P 247-256 %V 221 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1998_221_a14/ %G ru %F TRSPY_1998_221_a14