Yanchak Volodimir Yaroslavovich

Publications in Math-Net.Ru

1. The expansion of functions of a mixed class in a series of algebraic polynomials
   
   Trudy Mat. Inst. Steklov., 128 (1972),  242–256
2. Constructive properties of functions with variable smoothness
   
   Mat. Zametki, 8:4 (1970),  443–449
3. On the expansion of functions with dominating derivative in series of algebraic polynomials
   
   Mat. Zametki, 5:5 (1969),  533–540