%0 Journal Article %A U. Il'khamov %A D. D. Sokoloff %T Realizability of lentil-shaped polyhedra in a pseudo-Euclidean space %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1990 %P 3-6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1990_2_a0/ %G ru %F VMUMM_1990_2_a0