1. The group of left distributive multiplications on an Abelian group

   • J. R. Clay

   OriginalPaper Pages: 221 - 227

2. Representation of conditional probability measures on Boolean algebras

   • P. H. Krauss

   OriginalPaper Pages: 229 - 241

3. Primelemente und Primradikale in gewissen verbandsgeordneten algebraischen Strukturen

   • O. Steinfeld

   OriginalPaper Pages: 243 - 261

4. On the point-group and line-group of a graph

   • F. Harary
   • E. M. Palmer

   OriginalPaper Pages: 263 - 269

5. Bemerkung zur starken Summation der Fourierreihen

   • R. Tandori

   OriginalPaper Pages: 271 - 285

6. Ein neues formales System der deontischen Logik

   • I. Ruzsa

   OriginalPaper Pages: 287 - 309

7. On the comparison of order types

   • B. Rotman

   OriginalPaper Pages: 311 - 327

8. On the greatest common divisor of two values of a polynomial

   • V. Ennola

   OriginalPaper Pages: 329 - 335

9. On minimal density of plane coverings by circles

   • R. P. Bambah
   • A. C. Woods

   OriginalPaper Pages: 337 - 343

10. Radical and semi-simplicity in categories

    • R. Wiegandt

    OriginalPaper Pages: 345 - 364

11. Über die Mittelwerte multiplikativer zahlentheoretischer Funktionen

    • G. Halász

    OriginalPaper Pages: 365 - 403

12. Standard-Ultrantifilter im Verband aller Komponenten einerl-Gruppe

    • F. Fiala

    OriginalPaper Pages: 405 - 412

13. On some problems of a statistical group-theory. IV

    • P. Erdős
    • P. Turán

    OriginalPaper Pages: 413 - 435

14. An extremal problem

    • R. E. L. Turner

    OriginalPaper Pages: 437 - 440

15. Some problems on the iteration of multiplicative number-theoretical functions

    • I. Kátai

    OriginalPaper Pages: 441 - 450

16. Modules for pseudo-rings

    • E. M. Patterson

    OriginalPaper Pages: 451 - 464