1. ϕ-Orthogonally additive mappings. II

   • Gy. Szabó

   OriginalPaper Pages: 1 - 10

2. On some problems of P. Turán concerning power sums of complex numbers

   • L. Erdős

   OriginalPaper Pages: 11 - 24

3. On the control of a rectangular membrane

   • I. Joó

   OriginalPaper Pages: 25 - 32

4. On total additive solution of some equations

   • Katalin Kovács

   OriginalPaper Pages: 33 - 38

5. The numerical solution of nonlinear differential equations by spline functions

   • J. Győrvári
   • Cs. Mihálykó

   OriginalPaper Pages: 39 - 48

6. On approximation of functions by polynomials with weight

   • N. X. Ky

   OriginalPaper Pages: 49 - 58

7. Varieties of automata and transformation semigroups

   • Z. Ésik

   OriginalPaper Pages: 59 - 74

8. Экстремалънъiе задачи теории полиномиалюнiх оператохов

   • Д. Л. Ъерман

   OriginalPaper Pages: 75 - 83

9. Tauberian theorems concerning power series with non-negative coefficients

   • D. Borwein

   OriginalPaper Pages: 85 - 89

10. Rate of convergence of Hermite-Fejér polynomials for functions with derivatives of bounded variation

    • R. Bojanic
    • F. Cheng

    OriginalPaper Pages: 91 - 102

11. Note on decomposition of bounded functions into the sum of periodic terms

    • Z. Gajda

    OriginalPaper Pages: 103 - 106

12. Influence of normality on maximal subgroups of Sylow subgroups of a finite group

    • M. Ramadan

    OriginalPaper Pages: 107 - 110

13. Certain unbounded Hermite-Fejér interpolatory polynomial operators

    • R. Sakai

    OriginalPaper Pages: 111 - 114

14. The modulus of continuity and the best approximation over the dyadic group

    • J. Tateoka

    OriginalPaper Pages: 115 - 120

15. Complete quasi-pseudo-metric spaces

    • H. P. Kũnzi

    OriginalPaper Pages: 121 - 146

16. A nonstandard result about path continuity

    • J. Masterson

    BriefCommunication Pages: 147 - 149

17. Remarks on the optimal control problem for a strongly non linear hyperbolic system

    • J. E. Muñoz Rivera

    OriginalPaper Pages: 151 - 157

18. Numerical solution by spline method for an elastic problem

    • A. S. Mohamed

    OriginalPaper Pages: 159 - 174

19. Polyhedron complexes with simply transitive group actions and their realizations

    • E. Molnár

    OriginalPaper Pages: 175 - 216

20. Konsruktion des regulären siebzehnecks mit Lineal und Streckenübertrager

    OriginalPaper Pages: 217 - 226

21. On pseudomanifolds with boundary. I

    • M. Bognár

    OriginalPaper Pages: 227 - 244

22. A remark on the vibration of a circular membrane in different points

    • I. Joó

    OriginalPaper Pages: 245 - 252