%0 Journal Article
%A A. S. Demyshev
%A V. I. Rodionov
%T On equivalent definition of continuous differentiability
%J Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta
%D 2006
%P 39-42
%V 36
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IIMI_2006_36_2_a8/
%G ru
%F IIMI_2006_36_2_a8