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@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/} }
A. L. Garkavi. On Chebyshev and almost-Chebyshev subspaces. Doklady Akademii Nauk, Tome 149 (1963) no. 6, pp. 1250-1252. http://geodesic.mathdoc.fr/item/DAN_1963_149_6_a1/