%0 Journal Article
%A A. Járai
%T Derivatives are Borel functions.
%J Aequationes mathematicae
%D 1985
%P 24-27
%V 29
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1985__29_137077/
%F AM2_1985__29_137077