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1969

1969/16/1-4 (1) — DOI: 10.5486/PMD.1969.16.1-4.01 — pp. 1-2
Aprés une longue maladie, le 14 juin 1969, a décédé Ottó Varga, …

[The Editors]

1969/16/1-4 (2) — DOI: 10.5486/PMD.1969.16.1-4.02 — pp. 3-15
On the iteration of the divisor-function

I. Kátai

1969/16/1-4 (3) — DOI: 10.5486/PMD.1969.16.1-4.03 — pp. 17-23
On the density of certain sequences of integers

I. Kátai and J. Mogyoródi

1969/16/1-4 (4) — DOI: 10.5486/PMD.1969.16.1-4.04 — pp. 25-31
Zur Konstruktion gewisser geordneter Halbmoduln

Herbert Lugowski

1969/16/1-4 (5) — DOI: 10.5486/PMD.1969.16.1-4.05 — pp. 33-42
On the number of holomorphs of rings of order 8

L. C. A. van Leeuwen

1969/16/1-4 (6) — DOI: 10.5486/PMD.1969.16.1-4.06 — pp. 43-49
Gefilterte Moduln und Anwendungen in der algebraischen Geometrie

H. Kurke und W. Vogel

1969/16/1-4 (7) — DOI: 10.5486/PMD.1969.16.1-4.07 — pp. 51-62
Differenzierbarkeitseigenschaften von Lösungen hypoelliptischer Differentialgleichungen

Erich Müller-Pfeiffer

1969/16/1-4 (8) — DOI: 10.5486/PMD.1969.16.1-4.08 — pp. 63-66
On Archimedian ring extensions

M. Satyanarayana

1969/16/1-4 (10) — DOI: 10.5486/PMD.1969.16.1-4.10 — pp. 75-78
The topological group of the $p$-adic integers

T. Soundararajan

1969/16/1-4 (11) — DOI: 10.5486/PMD.1969.16.1-4.11 — pp. 79-89
Über die Äquivalenztheorie der verallgemeinerten Linienelementräume

P. T. Nagy

1969/16/1-4 (12) — DOI: 10.5486/PMD.1969.16.1-4.12 — pp. 91-92
Another definition of invertibility

P. H. Doyle and J. G. Hocking

1969/16/1-4 (13) — DOI: 10.5486/PMD.1969.16.1-4.13 — pp. 93-98
Some remarks on the cosine functional equation

M. Hosszú

1969/16/1-4 (14) — DOI: 10.5486/PMD.1969.16.1-4.14 — pp. 99-110
Simultaneous equations in a finite field

A. Duane Porter

1969/16/1-4 (15) — DOI: 10.5486/PMD.1969.16.1-4.15 — pp. 111-117
Bemerkung zu dem Problem der Rekurrenz der kovarienten Ableitung eines beliebigen Tensors des zweidimensionalen Raumes

Antoni Jakubowicz

1969/16/1-4 (16) — DOI: 10.5486/PMD.1969.16.1-4.16 — pp. 119-127
Further examples of normal numbers

Janina Lupkiewicz Spears and John E. Maxfield

1969/16/1-4 (17) — DOI: 10.5486/PMD.1969.16.1-4.17 — pp. 129-132
Über die Funktionalgleichung $f(xy)+f(x+y-xy)=f(x)+f(y)$

Z. Daróczy

1969/16/1-4 (18) — DOI: 10.5486/PMD.1969.16.1-4.18 — pp. 133-139
Über den Raum der $\triangle^2$-stetigen Funktionen

M. Tasche

1969/16/1-4 (19) — DOI: 10.5486/PMD.1969.16.1-4.19 — pp. 141-144
Convergent sequences in semimetric spaces

Dan Voiculescu

1969/16/1-4 (20) — DOI: 10.5486/PMD.1969.16.1-4.20 — pp. 145-147
Tensor products and maximal subgroups of commutative semigroups

T. J. Head

1969/16/1-4 (21) — DOI: 10.5486/PMD.1969.16.1-4.21 — pp. 149-153
Perspektivdeutung einer speziellen hyperbolischen oder parabolischen Netzprojektion

Aurelian Tănăsescu

1969/16/1-4 (22) — DOI: 10.5486/PMD.1969.16.1-4.22 — pp. 155-160
Einige Bemerkungen zur praktischen Anwendung des zentralen Einschneideverfahrens

J. Szabó

1969/16/1-4 (23) — DOI: 10.5486/PMD.1969.16.1-4.23 — pp. 161-174
Grundzüge der möglichen Hyperflächentheorien der $\mathfrak{M}_n$-Räume

Arthur Moór

1969/16/1-4 (24) — DOI: 10.5486/PMD.1969.16.1-4.24 — pp. 175-178
Das Modell der hyperbolischen ebenen Geometrie auf der projektiven Geraden

L. Gyarmathi

1969/16/1-4 (25) — DOI: 10.5486/PMD.1969.16.1-4.25 — pp. 179-185
On bi-ideals and quasi-ideals in semigroups

Kenneth M. Kapp

1969/16/1-4 (26) — DOI: 10.5486/PMD.1969.16.1-4.26 — pp. 187-192
Extra loops. II. On loops with identities of Bol—Moufang type

Ferenc Fenyves

1969/16/1-4 (27) — DOI: 10.5486/PMD.1969.16.1-4.27 — pp. 193-197
On nonlinear tensorial connexions

L. Tamássy

1969/16/1-4 (28) — DOI: 10.5486/PMD.1969.16.1-4.28 — pp. 199-227
Jadra neprivodimyh predstavlenij silovskoj $p$-podgruppy simmetricheskoj gruppy $S_{p^n}$

K. Buzashi

1969/16/1-4 (29) — DOI: 10.5486/PMD.1969.16.1-4.29 — pp. 229-237
Über die Permanente des verallgemeinerten tensoriellen Produkts der Matrizen

Szilveszter Rochlitz

1969/16/1-4 (30) — DOI: 10.5486/PMD.1969.16.1-4.30 — pp. 239-243
Über invertierbare Lösungen der additiven Cauchy-Funktionalgleichung

I. Makai

1969/16/1-4 (31) — DOI: 10.5486/PMD.1969.16.1-4.31 — pp. 245-252
Zur Lösung einer nichtlinearen Integrodifferentialgleichung mit Hadamard-Integralen

Klaus Wiener

1969/16/1-4 (32) — DOI: 10.5486/PMD.1969.16.1-4.32 — pp. 253-263
Représentation des nombres par des formes décomposables. I

K. Győry

1969/16/1-4 (33) — DOI: 10.5486/PMD.1969.16.1-4.33 — pp. 265-296
Generalized functions defined by fields which are isomorphic to the field of Mikusiński operators

Ernő Gesztelyi

1969/16/1-4 (34) — DOI: 10.5486/PMD.1969.16.1-4.34 — pp. 297-305
On generalized convolution quotients

E. Gesztelyi and Á. Száz

1969/16/1-4 (35) — DOI: 10.5486/PMD.1969.16.1-4.35 — pp. 307-323
Das verallgemeinerte freie Produkt in primitiven Klassen universeller Algebren. I

Renate Lanckau

1969/16/1-4 (36) — DOI: 10.5486/PMD.1969.16.1-4.36 — pp. 325-342
Über die Mächtigkeit gewisser Vereinigungsmengen

Ludwig Stammler

1969/16/1-4 (38) — DOI: 10.5486/PMD.1969.16.1-4.39 — pp. 355-358
International mathematical journal from Hungary

[The Editors]