ACTA SCIENTIARUM MATHEMATICARUM (Szeged)

Notes on tolerance relations of lattices

G. Grätzer, G. H. Wenzel

A characterization of $o$-distributive semilattices

J. Rachůnek

Non type-preserving automorphism groups of buildings and normalizing Tits systems

B. G. Seifert

Equivalence systems and generalized wreath products

G. Behrendt

Ein neuer elementarer Beweis der Kreisaxiome der hyperbolischen Geometrie

J. Strommer

A characterization of the Radon transform and its dual on Euclidean space

Á. Kurusa

Predstavlenie absolyutno nepreryvnykh funktsii mnogikh peremennykh

A. A. Talalyan, Gevorkyan

Further sharpening of inequalities of Hardy and Littlewood

L. Leindler

Fourier series with positive coefficients and generalized Lipschitz classes

J. Németh

Starke Approximation von Orthogonalreihen mit Cesàroverfahren

W. Henrich

On imbedding theorems for weighted polynomial approximation and modulus of continuity of functions

N. X. Ky

On Young-type inequalities

Zs. Páles

Best coapproximation and Schauder bases in Banach spaces

G. S. Rao, M. Swaminathan

Schmidtsche Umkehrbedingungen für Potenzreihenverfahren

H. Tietz

Sur l'unicité de la décomposition de Kato généralisée

M. Mbekhta

Some aspects of nonstationarity. I

T. Constantinescu

Uniform boundedness theorems for $k$-triangular set functions

E. Guariglia