On the smoothness of the symbol of multidimensional singular integral operators X. П. Рустамов OriginalPaper Pages: 93 - 119
On the divergence of Lagrange interpolation processes on a set of second category А. А. Привалов OriginalPaper Pages: 139 - 152
An unconditional basis in periodic spaces with dominating mixed smoothness properties H. -J. Schmeisser OriginalPaper Pages: 153 - 168
