Note on a representation of universal algebras as subdirect powers P. Kratochvil — 1971 Colloquium Mathematicae
On a convergence property of set algebras Kratochvíl, P. — 1972 General Topology and its Relations to Modern Analysis and Algebra
Multisequences and measures Kratochvíl, P. — 1977 General topology and its relations to modern analysis and algebra IV