%0 Journal Article %A G. R. Belitskii %T Smooth equivalence of germs of vector fields with a single zero eigenvalue or a pair of purely imaginary eigenvalues %J Funkcionalʹnyj analiz i ego priloženiâ %D 1986 %P 1-8 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1986_20_4_a0/ %G ru %F FAA_1986_20_4_a0