%0 Journal Article
%A A. F. Ronzhin
%T Extensions of information protocols based on mappings of finite sets
%J Diskretnaya Matematika
%D 2005
%P 18-28
%V 17
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_2005_17_4_a2/
%G ru
%F DM_2005_17_4_a2