Markov inequality in several variables. (Inégalité de Markov en plusieurs variables.) Pleśniak, Wiesław — 2006 International Journal of Mathematics and Mathematical Sciences
Leja's type polynomial condition and polynomial approximation in Orlicz spaces Wiesław Pleśniak — 1985 Annales Polonici Mathematici
Identity principles for Bernstein quasianalytic functions Wiesław Pleśniak — 2013 Commentationes Mathematicae We prove an identity principle for Bernstein quasianalytic functions on plane continua and study its extensions to the multivariate case.
Preface, Contents, List of Participants Piotr Jakóbczak; Wiesław Pleśniak — 1995 Banach Center Publications
Extension of C ∞ functions from sets with polynomial cusps Wiesław Pawłucki; Wiesław Pleśniak — 1988 Studia Mathematica