Analytic sets with proper projections. P. Tworzewski; T. Winiarski — 1982 Journal für die reine und angewandte Mathematik
Continuity of intersection of analytic sets P. Tworzewski; T. Winiarski — 1983 Annales Polonici Mathematici
Osgood-Hartogs-theorems of mixed type. K. Spallek; P. Tworzewski; T. Winiarski — 1990 Mathematische Annalen
On improper isolated intersection in complex analytic geometry R. Achilles; P. Tworzewski; T. Winiarski — 1990 Annales Polonici Mathematici