Acta Mathematica Academiae Paedagogicae Nyíregyháziensis

E. Swylan:
On Commutative Subideal Series of Semigroups

{H. S. Özarslan:
On the generalized Cesaro summability factors

V. O. Peten'ko:
On the local limit theorem for general lattice distribution

James J. Hebda:
Geodesics and Deformed Pseudo-Riemannian Manifolds with Symmetry

Gyula Darvasi:
More on the distribution of the Fibonacci numbers modulo $\mathbf{5c}$

Gyula Darvasi:
On repetitions in frequency blocks of a generalized Fibonacci sequence

L. Filep and S. Elkjaer:
Erratum to the paper: Pál Gyula - Julius Pal (1881-1946), the Hungarian - Danish mathematician