1977/97/2

A perfectly normal locally metrizable non-paracompact space

Properties of connected functions in terms of their levels

Adjoint groups and the Mal'cev correspondence (a tale of four functors)

The compacta X in ${\displaystyle S^n}$ for which Sh(X) = Sh(${\displaystyle S^k}$) is equivalent to ${\displaystyle S^n}$-X ≈ ${\displaystyle S^n}$-${\displaystyle S^k}$

Symmetric words in nilpotent groups of class ≤ 3

On the actions of SO(3) on lens space II

The axiom of choice and linearly ordered sets

The hereditary classes of mappings