%0 Journal Article %A L. A. Antipova %T An analog of the Gauss--Aleksandrov theorem about the area of the spherical image of a nonconvex polyhedral angle without singularities %J Itogi nauki i tehniki. Sovremennaâ matematika i eë priloženiâ. Tematičeskie obzory %D 2023 %P 10-19 %V 221 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTO_2023_221_a1/ %G ru %F INTO_2023_221_a1