@article{IM2_1971_5_4_a9,
     author = {K. K. Golovkin},
     title = {Uniform equivalence of parametric norms in ergodic and approximation theories},
     journal = {Izvestiya. Mathematics },
     pages = {915--934},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {1971},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1971_5_4_a9/}
}