%0 Journal Article %A A. G. Khovanskii %T Hyperplane sections of polyhedra, toroidal manifolds, and discrete groups in Lobachevskii space %J Funkcionalʹnyj analiz i ego priloženiâ %D 1986 %P 50-61 %V 20 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1986_20_1_a6/ %G ru %F FAA_1986_20_1_a6