%0 Journal Article %A V. D. Sedykh %T Connection of Lagrangian singularities with Legendrian singularities under stereographic projection %J Sbornik. Mathematics %D 1995 %P 533-540 %V 83 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1995_83_2_a14/ %G en %F SM_1995_83_2_a14