@article{MZM_2002_72_4_a9,
     author = {K. V. Uskov},
     title = {On {Exact} {Values} of the {Kolmogorov} {Width} of {Compact} {Sets} in {Hilbert} {Space}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {570--586},
     publisher = {mathdoc},
     volume = {72},
     number = {4},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2002_72_4_a9/}
}