%0 Journal Article
%A R. B. Stekol'shchik
%T Perfect elements in the modular structure associated with the extended Dynkin diagram $\widetilde{e}_6$
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1989
%P 90-92
%V 23
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1989_23_3_a22/
%G ru
%F FAA_1989_23_3_a22