%0 Journal Article %A Yu. S. Ilyashenko %T Divergence of series reducing an analytic differential equation to linear normal form at a singular point %J Funkcionalʹnyj analiz i ego priloženiâ %D 1979 %P 87-88 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1979_13_3_a15/ %G ru %F FAA_1979_13_3_a15