@article{DAN_1975_222_4_a13,
     author = {S. V. Gol'din and V. D. Suvorov},
     title = {Analytical prolongation of the reflected wave hodograph},
     journal = {Doklady Akademii Nauk},
     pages = {825--828},
     year = {1975},
     volume = {222},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_222_4_a13/}
}