1970/69/1

Komplementäre Halbgruppen Kongruenzen und Quotienten

On the strong local simple connectivity of the decomposition spaces of toroidal decompositions

On some combinatorial problems involving large cardinals

Concerning the fixed point property for λ-dendroids

Homotopy dependence of fundamental sequences, relative fundamental equivalence of sets and a generalization of cohomotopy groups

A large cardinal in the constructible universe