%0 Journal Article
%A G. V. Ivshina
%T Invariants of a four-dimensional Riemannian space and their changes under conformal transformation
%J Trudy Geometricheskogo Seminara
%D 1991
%P 57-63
%V 21
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KUTGS_1991_21_a7/
%G ru
%F KUTGS_1991_21_a7