1972-1973/77/3

An exact sequence from the nth to the (n-1)-st fundamental group

The realization of dimension function ${\displaystyle d_2}$

Recursions with uniquely determined topologies

A supplement to the paper "Differentiable roads for real functions" by J. G. Ceder

On shape and fundamental deformation retracts II

Čech homology for movable compacta

A fixed-point theorem for homeomorphisms of ${\displaystyle R^{2n}}$

Ultrafilters over measurable cardinals

Characterizations of σ-spaces

Total and absolute paracompactness

The theorem of Miss Mullikin-Mazurkiewicz-van East for unicoherent Peano spaces

Natural sums of ordinals

Some remarks on selectors