%0 Journal Article %A O. M. Myasnichenko %T Singularities of wave fronts on the interface of two media %J Algebra i analiz %D 1993 %P 149-169 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1993_5_4_a5/ %G ru %F AA_1993_5_4_a5