1966/59/2

A rigid sphere

On the decidability of some problems in special classes of groups

Computational algorithms for deciding some problems for nilpotent groups

On topologies for ${\displaystyle F^i}$

Einige Bemerkungen über der Raum der abgeschlossenen Mengen

Autohomeomorphisms on ${\displaystyle E^n}$

Characterization of the sets of angular and global convergence, and of the sets of angular and global limits, of functions in a half-plane

On the conditions of monotonicity of functions

On the axiom of determinateness (II)

A duality property of nerves

On functions defined on Cartesian products