1. An explicit formula for the fourth moment of certain exponential sums

   • C. Calderón
   • M. J. de Velasco
   • M. J. Zarate

   OriginalPaper 11 December 2010 Pages: 203 - 222

2. Twins of k-free numbers in arithmetic progressions

   • Zaizhao Meng

   OriginalPaper 03 November 2010 Pages: 223 - 253

3. Convexity, moduli of smoothness and a Jackson-type inequality

   • Z. Ditzian
   • A. Prymak

   OriginalPaper 03 November 2010 Pages: 254 - 285

4. On a theorem of M. Satô

   • T. Akhobadze

   OriginalPaper 11 December 2010 Pages: 286 - 308