@article{TM_1998_221_a16,
     author = {D. A. Panov},
     title = {Parabolic {Curves} and {Gradient} {Mappings}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {271--288},
     publisher = {mathdoc},
     volume = {221},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1998_221_a16/}
}