1. Rings in the near-rings of formal power series

   • J. Gutíerrez

   OriginalPaper Pages: 1 - 4

2. Some metrical observations on the approximation of an irrational number by its nearest mediants

   • H. Jager

   OriginalPaper Pages: 5 - 16

3. Cover-preserving embedding

   • E. T. Schmidt

   OriginalPaper Pages: 17 - 24

4. On the expansion 1= Σq ⁻ⁿ _i

   • P. Erdős
   • I. Joó

   OriginalPaper Pages: 25 - 28

5. Matrix transformations in a new class of sequence spaces

   • E. Malkowsky

   OriginalPaper Pages: 29 - 47

6. On the word problem of lattices with the help of graphs

   • G. Czédli

   OriginalPaper Pages: 49 - 58

7. Remarks on the Pták-Stein theorem

   • L. Máté

   OriginalPaper Pages: 59 - 63

8. Rings whose additive endomorphisms are multiplicative

   • M. Dugas
   • J. Hausen
   • J. A. Johnson

   OriginalPaper Pages: 65 - 73

9. Stimulateur cardiaque et suites de farey

   • M. Langevin

   OriginalPaper Pages: 75 - 86

10. On rings whose additive endomorphisms are multiplicative

    • Y. Hirano

    OriginalPaper Pages: 87 - 89

11. On a Bellman-Bihari type integral inequality with delay

    • P. Ch. Tsamatos
    • S. K. Ntouyas

    OriginalPaper Pages: 91 - 94

12. Book reviews

    • J. Surányi
    • P. P. Pálfy

    BookReview Pages: 95 - 97