%0 Journal Article
%A V. F. Yakovlev
%T A two-level representation of a functional system in a hyper-real
%J Doklady Akademii Nauk
%D 1991
%P 600-601
%V 317
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_317_3_a20/
%G ru
%F DAN_1991_317_3_a20