%0 Journal Article
%A D. B. Fuchs
%T Two projections of singular vectors of Verma modules over the affine Lie albegra $A_1^1$
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1989
%P 81-83
%V 23
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a18/
%G ru
%F FAA_1989_23_2_a18