%0 Journal Article
%A S. M. Vishik
%T Singularities of analytic foliations and characteristic classes
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1973
%P 1-15
%V 7
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1973_7_1_a0/
%G ru
%F FAA_1973_7_1_a0