The oscillatory behaviour of Ι-approximate derivatives Łazarow, Ewa Acta Universitatis Lodziensis. Folia Mathematica
The Symetrie Ι-Approximate Derivatives Libicka, Inga; Łazarow, Ewa Acta Universitatis Lodziensis. Folia Mathematica
On some generalizations of symmetric continuity Libicka, Inga; Łazarow, Ewa; Szkopińska, Bożena Acta Universitatis Lodziensis. Folia Mathematica
The coarsest topology for I -approximately continuous functions Ewa Łazarow — 1986 Commentationes Mathematicae Universitatis Carolinae
On pointwise limits of sequences of I -continuous functions Marek Balcerzak; Ewa Łazarow — 1986 Commentationes Mathematicae Universitatis Carolinae