Acta Mathematica Academiae Paedagogicae Nyíregyháziensis

I. Szalay:
The laminary model of the exploded Descartes-plane

John P. Robertson:
On $D$ so that $x^2 - Dy^2 = \pm m$

Victor Bovdi:
Symmetric Units and Group Identities in Group Algebras. I

Cristina Flaut:
Some properties of octonion and quaternion algebras

Zhigang Wang, Chunyi Gao and Shaomou Yuan:
On certain subclass of close-to-convex functions

B.A. Frasin:
Family of analytic functions of complex order

Gyula Maksa and Enikő Nizsalóczki:
Quasi-sums in several variables

Ying Ge:
On $\pi$-images of metric spaces