@article{KUTGS_1984_16_a15,
     author = {Sh. A. Yafarov},
     title = {Trajectories for development of vector fields in spaces $A_n$},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {142--152},
     year = {1984},
     volume = {16},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1984_16_a15/}
}