%0 Journal Article %A P. N. Klepikov %T Four-dimensional locally homogeneous pseudo-Riemannian manifolds with a~nontrivial isotropy subgroup and an isotropic Schouten--Weil tensor %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2023 %P 50-65 %V 223 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2023_223_a4/ %G ru %F INTO_2023_223_a4