@article{KUTGS_1976_9_a2,
     author = {V. A. Baranova and O. M. Uzdenov},
     title = {Complex double and dual {Norden} coordinates in line manifolds of three-dimensional {non-Euclidean} and {Euclidean} spaces},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {11--17},
     year = {1976},
     volume = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1976_9_a2/}
}