%0 Journal Article
%A D. S. Ananichev
%A D. D. Dublennykh
%T Lower bounds for the number of keys in Zakrevskij cipher
%J Zapiski Nauchnykh Seminarov POMI
%D 2012
%P 40-44
%V 402
%U http://geodesic.mathdoc.fr/item/ZNSL_2012_402_a2/
%G en
%F ZNSL_2012_402_a2