Approximation theorems for functions of two variables in L* ϕ spaces B. FirlejL. Rempulska OriginalPaper Pages: 10 - 17
Optimal recovery and average n-k widths for some function classes in L2(R)* Chen Dirong OriginalPaper Pages: 45 - 62
Direct and converse approximation theorems for the Shepard operator J. Szabados OriginalPaper Pages: 63 - 76