%0 Journal Article
%A Giuseppina Russo
%A Santi Valenti
%T On the k-pseudo-symmetrical approximate differentiability
%J Fundamenta Mathematicae
%D 1981
%P 79-83
%V 114
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-114-1-79-83/
%R 10.4064/fm-114-1-79-83
%G en
%F 10_4064_fm_114_1_79_83