On the sequential envelope
On the shape classification of manifold-like continua
On the singlevaluedness and differentiation of metric projections
On the topological characterization of manifolds
On the topological classification of complete linear metric spaces
On the topological product of discrete -compact spaces
On tho existence of weak P-points in compact F-spaces
On topological entropy
On total orderings in topology
On two theorems of V. V. Filippov
On two-to-one functions
On Urysohn's lemma
On zero-dimensional mappings and commutative algebra
One result on inverse limits and hyperspaces
Operators in normed almost linear spaces
Order structures and topological structures
Ordinal invariants in topology - summary