Zabutnaya Valentina Ivanovna

Publications in Math-Net.Ru

1. Inequalities between Best Polynomial Approximations and Some Smoothness Characteristics in the Space $L_2$ and Widths of Classes of Functions
   
   Mat. Zametki, 99:2 (2016),  215–238
2. Jackson–Stechkin Type Inequalities for Special Moduli of Continuity and Widths of Function Classes in the Space $L_2$
   
   Mat. Zametki, 92:4 (2012),  497–514
3. A Sharp Inequality of Jackson–Stechkin type in $L_2$ and the Widths of Functional Classes
   
   Mat. Zametki, 86:3 (2009),  328–336
4. Best Linear Approximation Methods for Functions of Taikov Classes in the Hardy spaces $H_{q,\rho}$, $q\ge1$, $0<\rho\le1$
   
   Mat. Zametki, 85:3 (2009),  323–329