1. Inverse approximation theorems in the weighted Orlicz spaces;Bukovyn. Mat. Zh.,2013
2. Jackson-type inequalities and exact values of widths of classes of functions in the spaces Sp, 1 ≤ p < ∞;Ukrainian Math. J.,2004
3. Approximation of conjugate functions by trigonometric polynomials in weighted Orlicz spaces;J. Math. Inequal.,2013
4. Best approximations and differential properties of two conjugate functions;Tr. Mosk. Mat. Obs.,1956