%0 Journal Article
%A G. R. Belickiǐ
%T Normal forms in relation to the filtering action of a~group
%J Trudy Moskovskogo matematičeskogo obŝestva
%D 1979
%P 3-46
%V 40
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MMO_1979_40_a0/
%G ru
%F MMO_1979_40_a0