%0 Journal Article %A O. M. Myasnichenko %T Geodesics of the Boundary in the Obstacle Problem and Unfurled Swallowtails %J Funkcionalʹnyj analiz i ego priloženiâ %D 1995 %P 82-84 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1995_29_2_a12/ %G ru %F FAA_1995_29_2_a12