@article{MZM_1983_33_3_a4,
     author = {V. A. Koshcheev},
     title = {Chebyshev systems of continuous functions with values in two-dimensional strictly convex normed space},
     journal = {Matemati\v{c}eskie zametki},
     pages = {365--383},
     publisher = {mathdoc},
     volume = {33},
     number = {3},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1983_33_3_a4/}
}