%0 Journal Article
%A V. F. Yakovlev
%T The Ashby principle in a hierarchy of representations of
%J Doklady Akademii Nauk
%D 1994
%P 176-178
%V 339
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1994_339_2_a6/
%G ru
%F DAN_1994_339_2_a6