@article{MZM_1967_1_2_a4,
     author = {I. E. Gopengauz},
     title = {On a theorem of {A.} {F.~Timan} on the approximation of functions by polynomials on a finite interval},
     journal = {Matemati\v{c}eskie zametki},
     pages = {163--172},
     year = {1967},
     volume = {1},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1967_1_2_a4/}
}