Davidchik A N

Publications in Math-Net.Ru

1. On the Jackson constants in the approximation of functions by linear operators
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1987, no. 1,  8–15
2. Approximation of periodic functions by linear operators
   
   Trudy Mat. Inst. Steklov., 180 (1987),  98–99
3. Approximations of continuous periodic functions by linear positive methods of convolution type
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 1983, no. 8,  8–10
4. Precise constants in inequalities of Jackson type
   
   Mat. Zametki, 29:5 (1981),  761–769
5. On a theorem of Jackson
   
   Mat. Zametki, 16:5 (1974),  681–690