1. A family of new trigonometric means

   • G. Das
   • Anasuya Nath
   • B. K. Ray

   OriginalPaper Pages: 83 - 112

2. Embedding results pertaining to strong approximation of Fourier series. V

   • Lászió Leindler

   OriginalPaper Pages: 113 - 121

3. Roots in differential rings of ultradifferentiable functions

   • Tejinder Singh Neelon

   OriginalPaper Pages: 123 - 134

   

4. Некоторые вопросы теории приближения в пространствах L ^p(x) (E)

   • И. И. ШАРАПУДИНОВ

   OriginalPaper Pages: 135 - 153

5. Universality is a Σ ₁ ¹ -complete property

   • Nikolaos Efstathiou Sofronidis

   OriginalPaper Pages: 155 - 159