%0 Journal Article
%A M. I. Gorbunova
%T Horispheres in certain Grassmann manifolds
%J Doklady Akademii Nauk
%D 1964
%P 1250-1253
%V 158
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_158_6_a1/
%G ru
%F DAN_1964_158_6_a1