%0 Journal Article
%A K. V. Rudakov
%T Symmetric and functional constraints for classification
%J Doklady Akademii Nauk
%D 1987
%P 43-46
%V 297
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_297_1_a9/
%G ru
%F DAN_1987_297_1_a9