%0 Journal Article
%A N. M. Ostianu
%T Certain projective differential structures on a~differentiable manifold
%J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara
%D 1969
%P 207-246
%V 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/INTG_1969_2_a9/
%G ru
%F INTG_1969_2_a9