@article{MZM_2008_83_4_a1,
     author = {A. I. Bogolyubskii},
     title = {Distribution of {Alternation} {Points} in {Best} {Rational} {Approximations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {493--502},
     publisher = {mathdoc},
     volume = {83},
     number = {4},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2008_83_4_a1/}
}