%0 Journal Article
%A G. I. Olshanskii
%T Convex cones in symmetric Lie algebras, Lie semigroups and invariant causal (order) structures on pseudo-Riemannian symmetric spaces
%J Doklady Akademii Nauk
%D 1982
%P 537-541
%V 265
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1982_265_3_a5/
%G ru
%F DAN_1982_265_3_a5