@article{FAA_1995_29_2_a12, author = {O. M. Myasnichenko}, title = {Geodesics of the {Boundary} in the {Obstacle} {Problem} and {Unfurled} {Swallowtails}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {82--84}, publisher = {mathdoc}, volume = {29}, number = {2}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1995_29_2_a12/} }