%0 Journal Article
%A R. I. Bogdanov
%T Degree of degeneracy of a singular point of a vector field on the plane
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1978
%P 70-71
%V 12
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1978_12_3_a10/
%G ru
%F FAA_1978_12_3_a10