@article{SVFU_2019_26_3_a3,
     author = {D. N. Oskorbin and E. D. Rodionov and I. V. Ernst},
     title = {On dimension of the space of {Killing} fields on $k$-symmetric {Lorentzian} manifolds},
     journal = {Matemati\v{c}eskie zametki SVFU},
     pages = {47--56},
     year = {2019},
     volume = {26},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SVFU_2019_26_3_a3/}
}