1. Rate of approximation for functions with derivatives of bounded variation

   • Guo-Deng Bai
   • Ya-Hui Hua
   • Sen-Yen Shaw

   OriginalPaper Pages: 171 - 196

2. Qualitative estimates in Khintchine"s inequality

   • E. V. Orlov

   OriginalPaper Pages: 197 - 203

3. Metod malogo parametra dlya znakochuvstvitel"nykh approksimatsii

   • A.-R. K. Ramazanov

   OriginalPaper Pages: 205 - 230

4. Two-parameter Vilenkin multipliers and a square function

   • Péter Simon

   OriginalPaper Pages: 231 - 249