@article{UZKU_1965_125_2_a0,
     author = {P. K. Belobrov},
     title = {On the problem of convex {Chebyshev} approximation in normed space},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {3--6},
     publisher = {mathdoc},
     volume = {125},
     number = {2},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1965_125_2_a0/}
}