%0 Journal Article
%A V. Y. Kaloshin
%T The Hilbert--Arnold Problem and an Estimate of the Cyclicity of Polycycles on the Plane and in Space
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 2001
%P 78-81
%V 35
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_2001_35_2_a8/
%G ru
%F FAA_2001_35_2_a8