@article{MZM_2012_91_6_a2,
     author = {P. A. Borodin},
     title = {$2${-Chebyshev} {Subspaces} in the {Spaces~}$L_1$ and~$C$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {819--831},
     publisher = {mathdoc},
     volume = {91},
     number = {6},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_91_6_a2/}
}