%0 Journal Article
%A Géza Freud
%T On Direct and Converse Theorems in the Theory of Weighted Poynomial Approximation.
%J Mathematische Zeitschrift
%D 1972
%P 123-134
%V 126
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1972__126_171727/
%F MZ_1972__126_171727