On type II convergence in the Miklusiński operational calculus Józef Burzyk — 1983 Studia Mathematica
An example of a group convergence with unique sequential limits which cannot be associated with a Hausdorff topology Józef Burzyk — 1993 Czechoslovak Mathematical Journal
Some remarks about Mackey convergence. Burzyk, Józef; Gilsdorf, Thomas E. — 1995 International Journal of Mathematics and Mathematical Sciences