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1957

1957/5/1-2 (1) — DOI: 10.5486/PMD.1957.5.1-2.01 — pp. 1-4
On a topology in endomorphism rings of abelian groups

T. Szele

1957/5/1-2 (2) — DOI: 10.5486/PMD.1957.5.1-2.02 — pp. 5-37
A class of systems of differential equations and its treatment with matrix methods. I.

E. Makai

1957/5/1-2 (3) — DOI: 10.5486/PMD.1957.5.1-2.03 — pp. 38-39
On the definiton of the determinant as a multilinear antisymmetric function

S. N. Afriat

1957/5/1-2 (4) — DOI: 10.5486/PMD.1957.5.1-2.04 — pp. 40-43
On a theorem of Shah

Q. I. Rahman

1957/5/1-2 (5) — DOI: 10.5486/PMD.1957.5.1-2.05 — pp. 44-53
Integral formulae of arithmetical characteristics relating to the zeta-function of Hurwitz

Miklós Mikolás

1957/5/1-2 (6) — DOI: 10.5486/PMD.1957.5.1-2.06 — pp. 54-59
On idempotent matrices

Nisar A. Khan

1957/5/1-2 (7) — DOI: 10.5486/PMD.1957.5.1-2.07 — pp. 60-71
Remarques algébriques sur la solution donnée par M. Fréchet à l'équation de Kolmogoroff. II.

J. Aczél et E. Egerváry

1957/5/1-2 (8) — DOI: 10.5486/PMD.1957.5.1-2.08 — pp. 72-76
Eine Beziehung zwischen affiner und Minkowskischer Differentialgeometrie

Detlef Laugwitz

1957/5/1-2 (9) — DOI: 10.5486/PMD.1957.5.1-2.09 — pp. 77-92
Some theorems on convergence in density

C. T. Rajagopal

1957/5/1-2 (10) — DOI: 10.5486/PMD.1957.5.1-2.10 — pp. 93-96
Sur la definition fonctionnelle des fonctions trigonometriques

M. Ghermănescu

1957/5/1-2 (11) — DOI: 10.5486/PMD.1957.5.1-2.11 — pp. 97-101
Über konkave und konvexe Eikörperscharen

H. Hadwiger

1957/5/1-2 (12) — DOI: 10.5486/PMD.1957.5.1-2.12 — pp. 102-118
Über die autoparallele Abweichung in allgemeinen metrischen Linienelementräumen

Arthur Moór

1957/5/1-2 (13) — DOI: 10.5486/PMD.1957.5.1-2.13 — pp. 119-127
Filling of a domain by isoperimetric discs

L. Fejes Tóth

1957/5/1-2 (14) — DOI: 10.5486/PMD.1957.5.1-2.14 — pp. 128
On the intersection on finitely generated free groups. Addendum

Hanna Neumann

1957/5/1-2 (15) — DOI: 10.5486/PMD.1957.5.1-2.15 — pp. 129-141
Mathematical notes. II. On the sequence of generalized partial sums of a series

A. Rényi

1957/5/1-2 (16) — DOI: 10.5486/PMD.1957.5.1-2.16 — pp. 142-146
Eine Bemerkung über das Dreiecksnetz der hyperbolischen Ebene

Franz Kárteszi

1957/5/1-2 (17) — DOI: 10.5486/PMD.1957.5.1-2.17 — pp. 147-149
On permutations of set products

András Ádám

1957/5/1-2 (18) — DOI: 10.5486/PMD.1957.5.1-2.18 — pp. 150-153
Über eine spezielle Klasse von Finslerschen Räumen

Gy. Soós

1957/5/1-2 (19) — DOI: 10.5486/PMD.1957.5.1-2.19 — pp. 154-161
Quelques remarques sur un ouvrage de M. V. Pták

Ákos Császár

1957/5/1-2 (20) — DOI: 10.5486/PMD.1957.5.1-2.20 — pp. 162-171
Über eine Verallgemeinerung des Smith'schen Determinantensatzes

Béla Gyires

1957/5/1-2 (21) — DOI: 10.5486/PMD.1957.5.1-2.21 — pp. 172-184
Torsion-free factor groups of free abelian groups and a classification of torsion-free abelian groups

Jenő Erdős

1957/5/1-2 (22) — DOI: 10.5486/PMD.1957.5.1-2.22 — pp. 185-196
Über universale homomorphe Bilder und universale Untergruppen von abelschen Gruppen

L. Fuchs

1957/5/1-2 (23) — DOI: 10.5486/PMD.1957.5.1-2.23 — pp. 197-203
Eine Ableitung des Cartanschen Zusammenhangs eines Finslerschen Raumes

Rolf Sulanke

1957/5/1-2 (24) — DOI: 10.5486/PMD.1957.5.1-2.24 — pp. 204-205
On the inequality of Mathieu

E. Makai