%0 Journal Article
%A S. M. Gusein-Zade
%T Singularities admitting perturbations with a small number of critical values
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1987
%P 76-77
%V 21
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1987_21_1_a11/
%G ru
%F FAA_1987_21_1_a11