On the Regularity of the Locally Integrable Solutions of the Functional Equations ... . Halina Swiatak — 1970 Aequationes mathematicae
On a Class of Functional Equations with Several Unknown Functions. (Short Communication). Halina Swiatak — 1974 Aequationes mathematicae
Criteria for the Regularity of Continuous and Locally Integrable Solutions of a Class of Linear Functional Equations HALINA SWIATAK — 1971 Aequationes mathematicae
On the Regularity of the Locally Integrable Solutions of the Functional Equations ... . (Short Communication). Halina Swiatak — 1970 Aequationes mathematicae
On alternative functional equations. (Short Communication). Halina Swiatak — 1976 Aequationes mathematicae
A Proof of the Equivalence of the Equation f (x + y - xy) + f (xy) = f (x) + f (y) and Jensen's Functional Equation. (Short Communication). Halina Swiatak — 1970 Aequationes mathematicae
On Two Functional Equations Connected with the Equation ... . Halina Swiatak — 1970 Aequationes mathematicae
A Proof of theEquivalence of the Equation f(x+y-xy)+f(xy) = f(x) + (y) and Jensen's Functional Equa tion HALINA SWIATAK — 1971 Aequationes mathematicae
On the Regularity of the Distributational and Continuous Solutions of the Functional Equations ... . Halina Swiatak — 1968 Aequationes mathematicae
Criteria for the Regularity of Continuous and Locally Integrable Solutions of a Class of Linear Functional Equations. (Short Communication). Halina Swiatak — 1970 Aequationes mathematicae
On Two Functional Equations Connected with the Equation ... . (Short Communication). Halina Swiatak — 1970 Aequationes mathematicae
On a Class of Functional Equations with Several Unknown Functions. Halina Swiatak — 1975 Aequationes mathematicae
Remarks on the Functional Equation. (Short Communication). Halina Swiatak — 1968 Aequationes mathematicae
On an equation of information theory (Short Communication). Halina Swiatak — 1979 Aequationes mathematicae
On alternatives equivalent to the Cauchy functional equation and a related equation. Halina Swiatak — 1981 Aequationes mathematicae
On alternatives equivalent to the Cauchy functional equation and a related equation. (Short Communication). Halina Swiatak — 1981 Aequationes mathematicae
Une caractérisation des fonctions exponentielles avec les exposants non linéaires Halina Światak — 1984 Annales Polonici Mathematici