1984/31/3-4
On the coincidence of two kinds of ellipses in Minkowskian spaces and in Finsler planes
L. Tamássy and K. Bélteky
Multilinear relations
Á. Száz and G. Száz
Characterization of integervalued $R$-additive functions
J. Fehér
Quadratic statistics in Hilbert space
István Fazekas
Remarks on the convergence of orthogonal series
V. Totik and K. Tandori
Über spezielle Finsler—Otsukische Räume
Arthur Moór
On the laxity of rooted trees with vertices of degree three
András Ádám
Lie structure in prime rings with derivations
Ram Awtar
On a combinatorial identity
B. Gyires
Die Aczél—Benzsche Funktionalgleichung auf der additiven Gruppe der ganzen Zahlen
Z. Daróczy - E. Kotora
Polynomial values in linear recurrences
I. Nemes and A. Pethő
On the Lebesgue function on infinite interval. I.
S. A. N. Eneduanya
Giperprostranstva polusintopogennyh prostranstv
V. V. Maslov and R. S. Linichuk
Invarianty par poluprostyh gruppovyh algebr konechnyh abelevyh $p$-grupp
T. Zh. Mollov
Idempotentnye elementy v associativnyh trojnyh sistemah
V. Ramasvami
