TY - JOUR AU - A. V. Aminova AU - D. R. Khakimov TI - Lie algebras of projective motions of five-dimensional pseudo-Riemannian spaces. V. Lie algebras of projective and affine motions of $h$-spaces $H_{221}$ of type $\{221\}$ JO - Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory PY - 2022 SP - 12 EP - 28 VL - 216 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/INTO_2022_216_a1/ LA - ru ID - INTO_2022_216_a1 ER -