On the approximation of differentiable functions by Vallée-Poussin sums of T-F series Liu Ruizhen OriginalPaper Pages: 1 - 7
On the approximation by the mixed exponential type integral operators Chen Wenzhong OriginalPaper Pages: 9 - 24
Convergence rates for lacunary trigonometric interpolation A. S. CavarottaC. R. Selvaraj OriginalPaper Pages: 25 - 38
Strong approximation of Riesz means at critical index on Hp(T) (0<p≤1) Chen GuoliangJiang YinshengLu Shanzhen OriginalPaper Pages: 39 - 49
Existence of best N-convex approximants in L1 R. HuotariD. LeggD. Townsend OriginalPaper Pages: 51 - 57
Convexity and variation diminishing property of multidimensional Bernstein polynomials M. Beśka OriginalPaper Pages: 59 - 78