%0 Journal Article
%A Papapetrou, A.
%T On the existence of gravitational fields which are stationary initially and finally
%J Annales de l'institut Henri Poincaré. Section A, Physique Théorique
%D 1969
%P 57-80
%V 11
%N 1
%I Gauthier-Villars
%U http://www.numdam.org/item/AIHPA_1969__11_1_57_0/
%G en
%F AIHPA_1969__11_1_57_0