%0 Journal Article
%A I. Lukavčević
%T The World Lines of Isotropic Expansion in the De Sitter Universe
%J Publications of the Department of Astronomy
%D 1983
%P 19 
%V 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PDA_1983_12_a2/
%G en
%F PDA_1983_12_a2