@article{IVM_2021_12_a1,
     author = {A. V. Aminova and D. R. Khakimov},
     title = {Lie algebras of projective motions of five-dimensional $h$-spaces $H_{221}$ of type $\{221\}$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {9--22},
     publisher = {mathdoc},
     number = {12},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2021_12_a1/}
}