%0 Journal Article %A Yu. S. Ilyashenko %T Remarks on the topology of singular points of analytic differential equations in the complex domain and Ladis' theorem %J Funkcionalʹnyj analiz i ego priloženiâ %D 1977 %P 28-38 %V 11 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1977_11_2_a2/ %G ru %F FAA_1977_11_2_a2