TY - JOUR AU - K. K. Golovkin TI - Uniform equivalence of parametric norms in ergodic and approximation theories JO - Izvestiya. Mathematics PY - 1971 SP - 915 EP - 934 VL - 5 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1971_5_4_a9/ LA - en ID - IM2_1971_5_4_a9 ER -