%0 Journal Article
%A A. P. Shirokov
%T On the geometry of horospheres of the Lobachevskii space
%J Trudy Geometricheskogo Seminara
%D 1991
%P 118-124
%V 21
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KUTGS_1991_21_a14/
%G ru
%F KUTGS_1991_21_a14