@article{INTO_2023_223_a4,
     author = {P. N. Klepikov},
     title = {Four-dimensional locally homogeneous {pseudo-Riemannian} manifolds with a~nontrivial isotropy subgroup and an isotropic {Schouten--Weil} tensor},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {50--65},
     publisher = {mathdoc},
     volume = {223},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_2023_223_a4/}
}