1. A Montgomery-Hooley type theorem for primek-tuplets

   • K. Kawada

   OriginalPaper Pages: 177 - 200

2. Cauchy structures in closure and proximity spaces

   • Á. Császár

   OriginalPaper Pages: 201 - 215

3. Interpolation between Hardy-Lorentz-Orlicz spaces

   • V. Echandia

   OriginalPaper Pages: 217 - 221

4. On the average value for the number of divisors of numbers of formab+1

   • A. Sárközy

   OriginalPaper Pages: 223 - 245

5. A direct approach to Koekoek's differential equation for generalized Laguerre polynomials

   • H. Bavinck

   OriginalPaper Pages: 247 - 253

6. On determinantal and permanental inequalities

   • B. Gyires

   OriginalPaper Pages: 255 - 268