@article{AA_1995_7_2_a4,
     author = {A. A. Pekarskii},
     title = {Best uniform rational approximations of {Markov} functions},
     journal = {Algebra i analiz},
     pages = {121--132},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_1995_7_2_a4/}
}