Analytic Solutions of the Equation ... (z) = h (z, <p[/(z)]) with Right Side Contracting W. SMAJDOR — 1969 Aequationes mathematicae
Analytic Solutions of the Equation ... With Right Side Contracting. (Short Communication). W. Smajdor — 1968 Aequationes mathematicae
Local Analytic Solutions of the Functional Equation ... in Multidimensional Spaces. W. Smajdor — 1968 Aequationes mathematicae
Local Analytic Solutions of the Functional Equation ... in Multidimensional Spaces. (Short Communication). W. Smajdor — 1968 Aequationes mathematicae
On the existence and uniqueness of analytic solutions of the functional equation φ(z) = h(z, φ[f(z)]) W. Smajdor — 1967 Annales Polonici Mathematici
On the Existence and Uniqueness of Analytic Solutions of a Linear Functional Equation. A. Smajdor; W. Smajdor — 1967 Mathematische Zeitschrift
On the radius of convergence of series solutions of a functional equation Marek Kuczma; W. Smajdor — 1971 Annales Polonici Mathematici
Multi-valued solutions of a functional equation A. Smajdor; W. Smajdor — 1983 Annales Polonici Mathematici