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1950/1/2-4

1950/1/2-4 (1) — DOI: 10.5486/PMD.1950.1.2-4.01 — pp. 65-70
On the smallest convex cover of a simple arc of space-curve

E. Egerváry

1950/1/2-4 (2) — DOI: 10.5486/PMD.1950.1.2-4.02 — pp. 71-72
Ein anschaulicher Beweis der ersten Plückerschen Formel

Gyula Sz.-Nagy

1950/1/2-4 (3) — DOI: 10.5486/PMD.1950.1.2-4.03 — pp. 73-88
Apollonische Kurven

Gyula Sz.-Nagy

1950/1/2-4 (4) — DOI: 10.5486/PMD.1950.1.2-4.04 — pp. 89-91
Über die Abelschen Gruppen mit nullteilerfreiem Endomorphismenring

T. Szele

1950/1/2-4 (5) — DOI: 10.5486/PMD.1950.1.2-4.05 — pp. 92-94
Ausfüllung eines konvexen Bereiches durch Kreise

László Fejes Tóth

1950/1/2-4 (6) — DOI: 10.5486/PMD.1950.1.2-4.06 — pp. 95-97
Remark on a theorem of Fejér

P. Turán

1950/1/2-4 (7) — DOI: 10.5486/PMD.1950.1.2-4.07 — pp. 98
On simple groups

J. Szép

1950/1/2-4 (8) — DOI: 10.5486/PMD.1950.1.2-4.08 — pp. 99-100
Kurzer Beweis eines Satzes von Vandiver über endliche Körper

L. Rédei

1950/1/2-4 (10) — DOI: 10.5486/PMD.1950.1.2-4.10 — pp. 104-108
Über beschränkte additive Funktionale konvexer Polygone

H. Hadwiger

1950/1/2-4 (11) — DOI: 10.5486/PMD.1950.1.2-4.11 — pp. 109-115
Remarque sur le prolongement des transformations topologiques

István Fáry

1950/1/2-4 (12) — DOI: 10.5486/PMD.1950.1.2-4.12 — pp. 116-122
Über das Krümmungsmaß in Finslerschen Räumen

O. Varga

1950/1/2-4 (14) — DOI: 10.5486/PMD.1950.1.2-4.14 — pp. 129-134
On some linear functional equations

N. G. Bruijn

1950/1/2-4 (15) — DOI: 10.5486/PMD.1950.1.2-4.15 — pp. 135-149
On the algebra of distributions

Alfréd Rényi

1950/1/2-4 (16) — DOI: 10.5486/PMD.1950.1.2-4.16 — pp. 150-159
Über die Cantorsche Theorie der reellen Zahlen

László Kalmár

1950/1/2-4 (17) — DOI: 10.5486/PMD.1950.1.2-4.17 — pp. 160-161
A note on the idealizer of a subring

L. Fuchs

1950/1/2-4 (18) — DOI: 10.5486/PMD.1950.1.2-4.18 — pp. 162-164
Mathematical notes. I. On the summability of Cauchy—Fourier series

Alfréd Rényi

1950/1/2-4 (19) — DOI: 10.5486/PMD.1950.1.2-4.19 — pp. 165-182
Remarks on the size of $L(1,\chi)$

P. T. Bateman, S. Chowla and P. Erdős

1950/1/2-4 (20) — DOI: 10.5486/PMD.1950.1.2-4.20 — pp. 183-185
Über nichtprimitive reguläre Graphen dritten Grades

P. Medgyessy

1950/1/2-4 (21) — DOI: 10.5486/PMD.1950.1.2-4.21 — pp. 186-188
Sur les formes quadratiques positives

Ákos Császár

1950/1/2-4 (22) — DOI: 10.5486/PMD.1950.1.2-4.22 — pp. 189-192
Über die Klassifikation der quadratischen Formen

T. Szele

1950/1/2-4 (23) — DOI: 10.5486/PMD.1950.1.2-4.23 — pp. 193-195
Eine Bemerkung über definite quadratische Formen

E. Egerváry

1950/1/2-4 (24) — DOI: 10.5486/PMD.1950.1.2-4.24 — pp. 196-198
On the solution of some special linear congruences

G. Szász

1950/1/2-4 (25) — DOI: 10.5486/PMD.1950.1.2-4.25 — pp. 199-200
On two problems concerning the theory of binary relations

G. Fodor

1950/1/2-4 (26) — DOI: 10.5486/PMD.1950.1.2-4.26 — pp. 201-204
Group-rings as $\ast$-algebras

I. N. Herstein

1950/1/2-4 (27) — DOI: 10.5486/PMD.1950.1.2-4.27 — pp. 205-208
Notes on the foundations of lattice theory

David Ellis

1950/1/2-4 (28) — DOI: 10.5486/PMD.1950.1.2-4.28 — pp. 209-221
Sur les séries de Taylor $F(x,y)$ ayant des coefficients entiers

P. Lelong

1950/1/2-4 (29) — DOI: 10.5486/PMD.1950.1.2-4.29 — pp. 222-226
Über das Produkt fünf aufeinander folgender Zahlen in einer arithmetischen Reihe

Richard Obláth

1950/1/2-4 (30) — DOI: 10.5486/PMD.1950.1.2-4.30 — pp. 227-231
On semigroups admitting relative inverses and having minimal ideals

L. Fuchs

1950/1/2-4 (31) — DOI: 10.5486/PMD.1950.1.2-4.31 — pp. 232-242
On bases for the set of intergers

N. G. Bruijn

1950/1/2-4 (32) — DOI: 10.5486/PMD.1950.1.2-4.32 — pp. 243-247
Über einparametrige Transformationen

J. Aczél

1950/1/2-4 (33) — DOI: 10.5486/PMD.1950.1.2-4.33 — pp. 248-250
On quasi-linear functional operations

J. Aczél

1950/1/2-4 (34) — DOI: 10.5486/PMD.1950.1.2-4.34 — pp. 251-253
Kurzer Beweis eines Satzes über die obere Schranke der absoluten Beträge von mehreren Nullstellen eines Polynoms

Gyula Sz.-Nagy

1950/1/2-4 (35) — DOI: 10.5486/PMD.1950.1.2-4.35 — pp. 254-256
On Zorn's lemma

T. Szele

1950/1/2-4 (36) — DOI: 10.5486/PMD.1950.1.2-4.36 — pp. 257
Errata: Tomus 1.

[The Editors]