Convergence almost everywhere of sequences of measurable functions Elżbieta Wagner; Władysław Wilczyński — 1981 Colloquium Mathematicae
Remarks on I -density and I -approximately continuous functions Poreda, W.; Elzbieta Wagner-Bojakowska; Władysław Wilczyński — 1985 Commentationes Mathematicae Universitatis Carolinae
Remarks on convergence of sequences of measurable functions Wagner-Bojakowska, Elżbieta Acta Universitatis Lodziensis. Folia Mathematica