On approximate solutions of the Pexider equation. (Summary). J. Tabor; J. Chmielinski — 1993 Aequationes mathematicae
On approximate solutions of the Pexider equation. J. Tabor; J. Chmielinski — 1993 Aequationes mathematicae
The translation equation on a direct product of groups S. Midura; J. Tabor — 1978 Annales Polonici Mathematici
Monotonic solution of the translation equation A. Gregorczyk; J. Tabor — 1983 Annales Polonici Mathematici