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1991/38/1-2

1991/38/1-2 (1) — DOI: 10.5486/PMD.1991.38.1-2.01 — pp. 1-4
Béla Barna (1909–1990)

B. Gyires

1991/38/1-2 (2) — DOI: 10.5486/PMD.1991.38.1-2.02 — pp. 5-12
Perfect polynomials revisited

J. T. B. Beard

1991/38/1-2 (3) — DOI: 10.5486/PMD.1991.38.1-2.03 — pp. 13-17
Une méthode de construction de plans en blocs de chaînettes

Francis Maurin

1991/38/1-2 (4) — DOI: 10.5486/PMD.1991.38.1-2.04 — pp. 19-31
Reflections of Riemannian manifolds

L. Verhóczki

1991/38/1-2 (5) — DOI: 10.5486/PMD.1991.38.1-2.05 — pp. 33-38
A note on constructing $E$-rings

Jutta Hausen and Johnny A. Johnson

1991/38/1-2 (6) — DOI: 10.5486/PMD.1991.38.1-2.06 — pp. 39-48
Direct arithmetics of relational systems

Josef Šlapal

1991/38/1-2 (7) — DOI: 10.5486/PMD.1991.38.1-2.07 — pp. 49-68
Distributions of finite order in the operational calculus

Hubert Wysocki

1991/38/1-2 (8) — DOI: 10.5486/PMD.1991.38.1-2.08 — pp. 69-76
Central automorphisms of standard wreath products

John Panagopoulos

1991/38/1-2 (9) — DOI: 10.5486/PMD.1991.38.1-2.09 — pp. 77-82
A left translation preserving a Finsler connection invariant

Makoto Matsumoto

1991/38/1-2 (10) — DOI: 10.5486/PMD.1991.38.1-2.10 — pp. 83-91
Generating functions of some products of arithmetical functions

P. J. McCarthy

1991/38/1-2 (11) — DOI: 10.5486/PMD.1991.38.1-2.11 — pp. 93-101
Non-convex perturbations of evolution equations with $m$-dissipative operators in Banach spaces

E. P. Avgerinos and N. S. Papageorgiou

1991/38/1-2 (12) — DOI: 10.5486/PMD.1991.38.1-2.12 — pp. 103-109
Invariant submanifolds of a trans-Sasakian manifold

D. Chinea and P. S. Perestelo

1991/38/1-2 (13) — DOI: 10.5486/PMD.1991.38.1-2.13 — pp. 111-119
Partially ordered sets with self-complementary comparability graphs

Gerhard Behrendt

1991/38/1-2 (14) — DOI: 10.5486/PMD.1991.38.1-2.14 — pp. 121-143
Splitting theorems for nonassociative rings

K. I. Beĭdar and R. Wiegandt

1991/38/1-2 (15) — DOI: 10.5486/PMD.1991.38.1-2.15 — pp. 145-163
Lower bounds for $P(x^3+k)$, an elementary approach

J. Buchmann, K. Győry, M. Mignotte and N. Tzanakis

1991/38/1-2 (16) — DOI: 10.5486/PMD.1991.38.1-2.16 — pp. 165-173
A note on stationarity of bilinear models

Gy. Terdik and M. Ispány

1991/38/1-2 (17) — DOI: 10.5486/PMD.1991.38.1-2.SUPP — pp. S1-S38
Report on the Third International Symposium on Functional Equations and Inequalities (September 21–27, 1986, Noszvaj, Hungary)

Gyula Maksa (compiled by)