%0 Journal Article
%A A. V. Aminova
%T On gravitational fields allowing groups of projective motions
%J Doklady Akademii Nauk
%D 1971
%P 806-809
%V 197
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_197_4_a18/
%G ru
%F DAN_1971_197_4_a18