%0 Journal Article
%A P. Holický
%T A supplement to the paper "Differentiable roads for real functions" by J. G. Ceder
%J Fundamenta Mathematicae
%D 1972
%P 227-234
%V 77
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/fm-77-3-227-234/
%R 10.4064/fm-77-3-227-234
%G en
%F 10_4064_fm_77_3_227_234