@article{DAN_1963_149_6_a1,
     author = {A. L. Garkavi},
     title = {On {Chebyshev} and {almost-Chebyshev} subspaces},
     journal = {Doklady Akademii Nauk},
     pages = {1250--1252},
     publisher = {mathdoc},
     volume = {149},
     number = {6},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_149_6_a1/}
}