%0 Journal Article
%A V. I. Arnol'd
%T Topological properties of Legendre projections in contact geometry of wave fronts
%J Algebra i analiz
%D 1994
%P 1-16
%V 6
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AA_1994_6_3_a0/
%G ru
%F AA_1994_6_3_a0