%0 Journal Article
%A G. F. Laptev
%T Hypersurface in the space of projective connection
%J Doklady Akademii Nauk
%D 1958
%P 41-44
%V 121
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1958_121_1_a9/
%G ru
%F DAN_1958_121_1_a9