1. Some theorems for scattered ordered sets

   • A. Hajnal
   • E. C. Milner

   OriginalPaper Pages: 81 - 92

2. On a characterization of sums in certain categories

   • L. Márki

   BriefCommunication Pages: 93 - 95

3. Reduction of the decision problem of the first order predicate calculus to reflexive and symmetrical binary predicates

   • J. Surányi

   OriginalPaper Pages: 97 - 106

4. On Hamilton-cycles of random graphs

   • I. Palásti

   OriginalPaper Pages: 107 - 112

5. Über die Newtonsche Zahl regulärer Vielecke

   • K. Böröczky

   OriginalPaper Pages: 113 - 119

6. On an inhomogeneous Markov-chain in patrolling machines I

   • G. Székely

   OriginalPaper Pages: 121 - 134

7. A description of the finite right-congruences of finitely generated free semigroups

   • A. Ádám

   OriginalPaper Pages: 135 - 144

8. On the cancellation law among finite relational structures

   • L. Lovász

   OriginalPaper Pages: 145 - 156

9. On strong approximation of Fourier series

   • L. Leindler

   OriginalPaper Pages: 157 - 162