%0 Journal Article
%A S. M. Gusein-Zade
%T On Singularities from which an $A_1$ Can be Split off
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1993
%P 68-71
%V 27
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1993_27_1_a8/
%G ru
%F FAA_1993_27_1_a8